| Transactions |
| Date | Team | Player | Type | OthTm | EffDate | When |
| 4/8/1973 | BLU | Bradford | Demoted to reserve roster |   |   | Before |
| 4/8/1973 | BLU | Frailing | Promoted to active roster |   |   | Before |
| 4/8/1973 | BLU | Hassler | Demoted to reserve roster |   |   | Before |
| 4/8/1973 | BLU | Marichal | Promoted to active roster |   |   | Before |
| 4/8/1973 | BLU | Paul | Demoted to reserve roster |   |   | Before |
| 4/8/1973 | BLU | Rivers | Promoted to active roster |   |   | Before |
| 4/8/1973 | NIS | Harrison | Demoted to reserve roster |   |   | Before |
| 4/8/1973 | NIS | Peterson | Demoted to reserve roster |   |   | Before |
| 4/8/1973 | NIS | Reuss | Promoted to active roster |   |   | Before |
| 4/8/1973 | NIS | Short | Promoted to active roster |   |   | Before |
| 4/16/1973 | NIS | Alexander | Demoted to reserve roster |   |   | Before |
| 4/16/1973 | NIS | Harrison | Promoted to active roster |   |   | Before |
| 4/16/1973 | NIS | Nolan | Demoted to reserve roster |   |   | Before |
| 4/16/1973 | NIS | Stoneman | Promoted to active roster |   |   | Before |
| 5/1/1973 | BAL | Adams | Demoted to reserve roster |   |   | Before |
| 5/1/1973 | BAL | Adams | Promoted to active roster |   |   | Before |
| 5/1/1973 | BAL | Baker F | Demoted to reserve roster |   |   | Before |
| 5/1/1973 | BAL | Baker F | Promoted to active roster |   |   | Before |
| 5/1/1973 | BAL | Baker F | Demoted to reserve roster |   |   | Before |
| 5/1/1973 | BAL | Baker F | Promoted to active roster |   |   | Before |
| 5/1/1973 | BAL | Baker F | Demoted to reserve roster |   |   | Before |
| 5/1/1973 | BAL | Bibby | Demoted to reserve roster |   |   | Before |
| 5/1/1973 | BAL | Bibby | Promoted to active roster |   |   | Before |
| 5/1/1973 | BAL | Bosman | Promoted to active roster |   |   | Before |
| 5/1/1973 | BAL | Brown J | Demoted to reserve roster |   |   | Before |
| 5/1/1973 | BAL | Brown J | Promoted to active roster |   |   | Before |
| 5/1/1973 | BAL | Decker | Demoted to reserve roster |   |   | Before |
| 5/1/1973 | BAL | Dierker | Demoted to reserve roster |   |   | Before |
| 5/1/1973 | BAL | Dierker | Promoted to active roster |   |   | Before |
| 5/1/1973 | BAL | Dierker | Demoted to reserve roster |   |   | Before |
| 5/1/1973 | BAL | Dierker | Promoted to active roster |   |   | Before |
| 5/1/1973 | BAL | Ford W | Demoted to reserve roster |   |   | Before |
| 5/1/1973 | BAL | Ford W | Promoted to active roster |   |   | Before |
| 5/1/1973 | BAL | Foster A | Demoted to reserve roster |   |   | Before |
| 5/1/1973 | BAL | Foster A | Promoted to active roster |   |   | Before |
| 5/1/1973 | BAL | Gagliano | Demoted to reserve roster |   |   | Before |
| 5/1/1973 | BAL | Gagliano | Promoted to active roster |   |   | Before |
| 5/1/1973 | BAL | Griffin T | Demoted to reserve roster |   |   | Before |
| 5/1/1973 | BAL | Griffin T | Promoted to active roster |   |   | Before |
| 5/1/1973 | BAL | Howard L | Promoted to active roster |   |   | Before |
| 5/1/1973 | BAL | Mason D | Promoted to active roster |   |   | Before |
| 5/1/1973 | BAL | Royster | Demoted to reserve roster |   |   | Before |
| 5/1/1973 | BAL | Royster | Promoted to active roster |   |   | Before |
| 5/1/1973 | BAL | Smith T | Demoted to reserve roster |   |   | Before |
| 5/1/1973 | BAL | Smith T | Promoted to active roster |   |   | Before |
| 5/1/1973 | BAL | Taylor Chuck | Demoted to reserve roster |   |   | Before |
| 5/1/1973 | BAL | Taylor Chuck | Promoted to active roster |   |   | Before |
| 5/1/1973 | BAL | Unser | Demoted to reserve roster |   |   | Before |
| 5/1/1973 | BAL | Yastrzemski | Demoted to reserve roster |   |   | Before |
| 5/1/1973 | BAL | Yastrzemski | Promoted to active roster |   |   | Before |
| 5/1/1973 | BLU | Alomar | Demoted to reserve roster |   |   | Before |
| 5/1/1973 | BLU | Bradford | Demoted to reserve roster |   |   | Before |
| 5/1/1973 | BLU | Callison | Promoted to active roster |   |   | Before |
| 5/1/1973 | BLU | Frailing | Promoted to active roster |   |   | Before |
| 5/1/1973 | BLU | Goggin | Promoted to active roster |   |   | Before |
| 5/1/1973 | BLU | Hassler | Promoted to active roster |   |   | Before |
| 5/1/1973 | BLU | Lamb R | Demoted to reserve roster |   |   | Before |
| 5/1/1973 | BLU | Marichal | Demoted to reserve roster |   |   | Before |
| 5/1/1973 | BLU | Morlan | Promoted to active roster |   |   | Before |
| 5/1/1973 | BLU | Paul | Demoted to reserve roster |   |   | Before |
| 5/1/1973 | BLU | Rivers | Promoted to active roster |   |   | Before |
| 5/1/1973 | BLU | Woods | Demoted to reserve roster |   |   | Before |
| 5/1/1973 | FLU | Fitzmorris | Demoted to reserve roster |   |   | Before |
| 5/1/1973 | FLU | Monteagudo | Promoted to active roster |   |   | Before |
| 5/1/1973 | NIS | Kealey | Demoted to reserve roster |   |   | Before |
| 5/1/1973 | NIS | Peterson | Promoted to active roster |   |   | Before |
| 5/1/1973 | PIE | Henninger | Demoted to reserve roster |   |   | Before |
| 5/1/1973 | PIE | Henninger | Promoted to active roster |   |   | Before |
| 5/1/1973 | PIE | Splittorff | Demoted to reserve roster |   |   | Before |
| 5/1/1973 | PIE | Splittorff | Promoted to active roster |   |   | Before |
| 5/1/1973 | PIE | Wilcox | Demoted to reserve roster |   |   | Before |
| 5/1/1973 | PIE | Wilcox | Promoted to active roster |   |   | Before |
| 5/1/1973 | TCR | Crowley | Demoted to reserve roster |   |   | Before |
| 5/1/1973 | TCR | Lolich R | Promoted to active roster |   |   | Before |
| 5/1/1973 | TCR | Simpson | Promoted to active roster |   |   | Before |
| 5/1/1973 | TCR | Stanhouse | Demoted to reserve roster |   |   | Before |
| 5/4/1973 | BAL | Bosman | Demoted to reserve roster |   |   | Before |
| 5/4/1973 | BAL | Decker | Promoted to active roster |   |   | Before |
| 5/4/1973 | BAL | Matlack | Demoted to reserve roster |   |   | Before |
| 5/4/1973 | BAL | Royster | Promoted to active roster |   |   | Before |
| 5/4/1973 | DAY | LaGrow | Promoted to active roster |   |   | Before |
| 5/4/1973 | DAY | Marquez | Demoted to reserve roster |   |   | Before |
| 5/13/1973 | BAL | Bosman | Promoted to active roster |   |   | Before |
| 5/13/1973 | BAL | Royster | Demoted to reserve roster |   |   | Before |
| 5/13/1973 | BLU | Marichal | Promoted to active roster |   |   | Before |
| 5/13/1973 | DAY | May R | Demoted to reserve roster |   |   | Before |
| 5/13/1973 | DAY | Pepitone | Promoted to active roster |   |   | Before |
| 5/13/1973 | FLU | Fitzmorris | Promoted to active roster |   |   | Before |
| 5/13/1973 | FLU | Monteagudo | Demoted to reserve roster |   |   | Before |
| 5/19/1973 | FLU | Brett K | Demoted to reserve roster |   |   | Before |
| 5/19/1973 | FLU | Fenwick | Demoted to reserve roster |   |   | Before |
| 5/19/1973 | FLU | Heintzelman | Promoted to active roster |   |   | Before |
| 5/19/1973 | FLU | Zachary | Promoted to active roster |   |   | Before |
| 6/1/1973 | BAL | Adams | Demoted to reserve roster |   |   | Before |
| 6/1/1973 | BAL | Adams | Promoted to active roster |   |   | Before |
| 6/1/1973 | BAL | Baker F | Demoted to reserve roster |   |   | Before |
| 6/1/1973 | BAL | Baker F | Promoted to active roster |   |   | Before |
| 6/1/1973 | BAL | Baker F | Demoted to reserve roster |   |   | Before |
| 6/1/1973 | BAL | Bibby | Promoted to active roster |   |   | Before |
| 6/1/1973 | BAL | Bosman | Demoted to reserve roster |   |   | Before |
| 6/1/1973 | BAL | Bosman | Promoted to active roster |   |   | Before |
| 6/1/1973 | BAL | Brown J | Promoted to active roster |   |   | Before |
| 6/1/1973 | BAL | Decker | Demoted to reserve roster |   |   | Before |
| 6/1/1973 | BAL | Decker | Promoted to active roster |   |   | Before |
| 6/1/1973 | BAL | Decker | Demoted to reserve roster |   |   | Before |
| 6/1/1973 | BAL | Dierker | Demoted to reserve roster |   |   | Before |
| 6/1/1973 | BAL | Dierker | Promoted to active roster |   |   | Before |
| 6/1/1973 | BAL | Dierker | Promoted to active roster |   |   | Before |
| 6/1/1973 | BAL | Foli | Demoted to reserve roster |   |   | Before |
| 6/1/1973 | BAL | Foli | Promoted to active roster |   |   | Before |
| 6/1/1973 | BAL | Foster A | Demoted to reserve roster |   |   | Before |
| 6/1/1973 | BAL | Foster A | Promoted to active roster |   |   | Before |
| 6/1/1973 | BAL | Frisella | Demoted to reserve roster |   |   | Before |
| 6/1/1973 | BAL | Frisella | Promoted to active roster |   |   | Before |
| 6/1/1973 | BAL | Griffin T | Demoted to reserve roster |   |   | Before |
| 6/1/1973 | BAL | Griffin T | Promoted to active roster |   |   | Before |
| 6/1/1973 | BAL | Hernandez R | Demoted to reserve roster |   |   | Before |
| 6/1/1973 | BAL | Hiller | Demoted to reserve roster |   |   | Before |
| 6/1/1973 | BAL | Hiller | Promoted to active roster |   |   | Before |
| 6/1/1973 | BAL | Howard L | Demoted to reserve roster |   |   | Before |
| 6/1/1973 | BAL | Howard L | Promoted to active roster |   |   | Before |
| 6/1/1973 | BAL | Hudson | Demoted to reserve roster |   |   | Before |
| 6/1/1973 | BAL | Hudson | Promoted to active roster |   |   | Before |
| 6/1/1973 | BAL | Leon E | Demoted to reserve roster |   |   | Before |
| 6/1/1973 | BAL | Leon E | Promoted to active roster |   |   | Before |
| 6/1/1973 | BAL | Lum | Demoted to reserve roster |   |   | Before |
| 6/1/1973 | BAL | Lum | Promoted to active roster |   |   | Before |
| 6/1/1973 | BAL | Mason D | Demoted to reserve roster |   |   | Before |
| 6/1/1973 | BAL | Matlack | Demoted to reserve roster |   |   | Before |
| 6/1/1973 | BAL | Matlack | Promoted to active roster |   |   | Before |
| 6/1/1973 | BAL | Monday | Demoted to reserve roster |   |   | Before |
| 6/1/1973 | BAL | Monday | Promoted to active roster |   |   | Before |
| 6/1/1973 | BAL | Monzon | Demoted to reserve roster |   |   | Before |
| 6/1/1973 | BAL | Plummer | Demoted to reserve roster |   |   | Before |
| 6/1/1973 | BAL | Plummer | Promoted to active roster |   |   | Before |
| 6/1/1973 | BAL | Roberts Dave | Demoted to reserve roster |   |   | Before |
| 6/1/1973 | BAL | Roberts Dave | Promoted to active roster |   |   | Before |
| 6/1/1973 | BAL | Royster | Promoted to active roster |   |   | Before |
| 6/1/1973 | BAL | Simmons | Demoted to reserve roster |   |   | Before |
| 6/1/1973 | BAL | Simmons | Promoted to active roster |   |   | Before |
| 6/1/1973 | BAL | Smith T | Demoted to reserve roster |   |   | Before |
| 6/1/1973 | BAL | Smith T | Promoted to active roster |   |   | Before |
| 6/1/1973 | BAL | Stennett | Demoted to reserve roster |   |   | Before |
| 6/1/1973 | BAL | Stennett | Promoted to active roster |   |   | Before |
| 6/1/1973 | BAL | Unser | Promoted to active roster |   |   | Before |
| 6/1/1973 | BAL | Williams C | Demoted to reserve roster |   |   | Before |
| 6/1/1973 | BAL | Williams C | Promoted to active roster |   |   | Before |
| 6/1/1973 | BAL | Winfield | Demoted to reserve roster |   |   | Before |
| 6/1/1973 | BAL | Winfield | Promoted to active roster |   |   | Before |
| 6/1/1973 | BAL | Yastrzemski | Demoted to reserve roster |   |   | Before |
| 6/1/1973 | BAL | Yastrzemski | Promoted to active roster |   |   | Before |
| 6/1/1973 | BLU | Frailing | Promoted to active roster |   |   | Before |
| 6/1/1973 | BLU | Hassler | Promoted to active roster |   |   | Before |
| 6/1/1973 | BLU | Hough | Demoted to reserve roster |   |   | Before |
| 6/1/1973 | BLU | Howarth | Demoted to reserve roster |   |   | Before |
| 6/1/1973 | BLU | Howarth | Promoted to active roster |   |   | Before |
| 6/1/1973 | BLU | Lockwood | Demoted to reserve roster |   |   | Before |
| 6/1/1973 | BLU | Rivers | Promoted to active roster |   |   | Before |
| 6/1/1973 | BLU | Sharon | Demoted to reserve roster |   |   | Before |
| 6/1/1973 | FLU | Fitzmorris | Promoted to active roster |   |   | Before |
| 6/1/1973 | FLU | Nagy | Promoted to active roster |   |   | Before |
| 6/1/1973 | FLU | Perry G | Demoted to reserve roster |   |   | Before |
| 6/1/1973 | NIS | Blanks | Demoted to reserve roster |   |   | Before |
| 6/1/1973 | NIS | Blanks | Promoted to active roster |   |   | Before |
| 6/1/1973 | NIS | Conigliaro | Promoted to active roster |   |   | Before |
| 6/1/1973 | NIS | Dempsey | Demoted to reserve roster |   |   | Before |
| 6/1/1973 | NIS | Felske | Promoted to active roster |   |   | Before |
| 6/1/1973 | NIS | Freeman | Promoted to active roster |   |   | Before |
| 6/1/1973 | NIS | Stanton | Demoted to reserve roster |   |   | Before |
| 6/1/1973 | NIS | Stoneman | Demoted to reserve roster |   |   | Before |
| 6/1/1973 | ROS | Bell J | Demoted to reserve roster |   |   | Before |
| 6/1/1973 | ROS | Bell J | Promoted to active roster |   |   | Before |
| 6/1/1973 | ROS | Gentry | Promoted to active roster |   |   | Before |
| 6/1/1973 | ROS | Skok | Demoted to reserve roster |   |   | Before |
| 6/1/1973 | SCH | Blass | Demoted to reserve roster |   |   | Before |
| 6/1/1973 | SCH | Brett G | Promoted to active roster |   |   | Before |
| 6/1/1973 | SCH | Capra | Promoted to active roster |   |   | Before |
| 6/1/1973 | SCH | Gura | Demoted to reserve roster |   |   | Before |
| 6/1/1973 | SCH | Hopkins | Demoted to reserve roster |   |   | Before |
| 6/1/1973 | SCH | Hosley | Demoted to reserve roster |   |   | Before |
| 6/1/1973 | SCH | James | Promoted to active roster |   |   | Before |
| 6/1/1973 | SCH | Johnson Bart | Promoted to active roster |   |   | Before |
| 6/1/1973 | SCH | Kline | Promoted to active roster |   |   | Before |
| 6/1/1973 | SCH | Llenas | Demoted to reserve roster |   |   | Before |
| 6/1/1973 | SCH | Stinson | Demoted to reserve roster |   |   | Before |
| 6/1/1973 | SCH | Torres H | Promoted to active roster |   |   | Before |
| 6/1/1973 | TCR | Brinkman C | Promoted to active roster |   |   | Before |
| 6/1/1973 | TCR | Culp | Promoted to active roster |   |   | Before |
| 6/1/1973 | TCR | Edwards | Demoted to reserve roster |   |   | Before |
| 6/1/1973 | TCR | Simpson | Demoted to reserve roster |   |   | Before |
| 6/15/1973 | BLU | Morlan | Promoted to active roster |   |   | Before |
| 6/15/1973 | BLU | Paul | Demoted to reserve roster |   |   | Before |
| 6/15/1973 | FLU | Monteagudo | Promoted to active roster |   |   | Before |
| 6/15/1973 | FLU | Perry G | Demoted to reserve roster |   |   | Before |
| 6/20/1973 | BAL | Baker F | Demoted to reserve roster |   |   | Before |
| 6/20/1973 | BAL | Dierker | Promoted to active roster |   |   | Before |
| 6/29/1973 | BAL | Hiller | Demoted to reserve roster |   |   | Before |
| 7/1/1973 | BAL | Bibby | Demoted to reserve roster |   |   | Before |
| 7/1/1973 | BAL | Bibby | Promoted to active roster |   |   | Before |
| 7/1/1973 | BAL | Bibby | Demoted to reserve roster |   |   | Before |
| 7/1/1973 | BAL | Bibby | Promoted to active roster |   |   | Before |
| 7/1/1973 | BAL | Bosman | Demoted to reserve roster |   |   | Before |
| 7/1/1973 | BAL | Bosman | Promoted to active roster |   |   | Before |
| 7/1/1973 | BAL | Bosman | Demoted to reserve roster |   |   | Before |
| 7/1/1973 | BAL | Bosman | Promoted to active roster |   |   | Before |
| 7/1/1973 | BAL | Brown J | Demoted to reserve roster |   |   | Before |
| 7/1/1973 | BAL | Brown J | Promoted to active roster |   |   | Before |
| 7/1/1973 | BAL | Decker | Demoted to reserve roster |   |   | Before |
| 7/1/1973 | BAL | Decker | Promoted to active roster |   |   | Before |
| 7/1/1973 | BAL | Decker | Demoted to reserve roster |   |   | Before |
| 7/1/1973 | BAL | Decker | Promoted to active roster |   |   | Before |
| 7/1/1973 | BAL | Dierker | Demoted to reserve roster |   |   | Before |
| 7/1/1973 | BAL | Dierker | Promoted to active roster |   |   | Before |
| 7/1/1973 | BAL | Dierker | Demoted to reserve roster |   |   | Before |
| 7/1/1973 | BAL | Dierker | Promoted to active roster |   |   | Before |
| 7/1/1973 | BAL | Foster A | Demoted to reserve roster |   |   | Before |
| 7/1/1973 | BAL | Foster A | Promoted to active roster |   |   | Before |
| 7/1/1973 | BAL | Foster A | Demoted to reserve roster |   |   | Before |
| 7/1/1973 | BAL | Foster A | Promoted to active roster |   |   | Before |
| 7/1/1973 | BAL | Frisella | Demoted to reserve roster |   |   | Before |
| 7/1/1973 | BAL | Frisella | Promoted to active roster |   |   | Before |
| 7/1/1973 | BAL | Frisella | Promoted to active roster |   |   | Before |
| 7/1/1973 | BAL | Gagliano | Promoted to active roster |   |   | Before |
| 7/1/1973 | BAL | Griffin T | Demoted to reserve roster |   |   | Before |
| 7/1/1973 | BAL | Hernandez R | Demoted to reserve roster |   |   | Before |
| 7/1/1973 | BAL | Hernandez R | Promoted to active roster |   |   | Before |
| 7/1/1973 | BAL | Hernandez R | Promoted to active roster |   |   | Before |
| 7/1/1973 | BAL | Hiller | Demoted to reserve roster |   |   | Before |
| 7/1/1973 | BAL | Hiller | Promoted to active roster |   |   | Before |
| 7/1/1973 | BAL | Hiller | Promoted to active roster |   |   | Before |
| 7/1/1973 | BAL | Howard L | Demoted to reserve roster |   |   | Before |
| 7/1/1973 | BAL | Hudson | Demoted to reserve roster |   |   | Before |
| 7/1/1973 | BAL | Hudson | Promoted to active roster |   |   | Before |
| 7/1/1973 | BAL | Hudson | Demoted to reserve roster |   |   | Before |
| 7/1/1973 | BAL | Hudson | Promoted to active roster |   |   | Before |
| 7/1/1973 | BAL | Matlack | Demoted to reserve roster |   |   | Before |
| 7/1/1973 | BAL | Matlack | Promoted to active roster |   |   | Before |
| 7/1/1973 | BAL | Matlack | Demoted to reserve roster |   |   | Before |
| 7/1/1973 | BAL | Matlack | Promoted to active roster |   |   | Before |
| 7/1/1973 | BAL | Monzon | Promoted to active roster |   |   | Before |
| 7/1/1973 | BAL | Royster | Demoted to reserve roster |   |   | Before |
| 7/1/1973 | BAL | Unser | Promoted to active roster |   |   | Before |
| 7/1/1973 | BAL | Williams C | Demoted to reserve roster |   |   | Before |
| 7/1/1973 | BAL | Williams C | Promoted to active roster |   |   | Before |
| 7/1/1973 | BAL | Williams C | Demoted to reserve roster |   |   | Before |
| 7/1/1973 | BAL | Winfield | Demoted to reserve roster |   |   | Before |
| 7/1/1973 | BLU | Allen L | Demoted to reserve roster |   |   | Before |
| 7/1/1973 | BLU | Frailing | Promoted to active roster |   |   | Before |
| 7/1/1973 | BLU | Goggin | Promoted to active roster |   |   | Before |
| 7/1/1973 | BLU | Harrelson | Demoted to reserve roster |   |   | Before |
| 7/1/1973 | BLU | Hough | Promoted to active roster |   |   | Before |
| 7/1/1973 | BLU | Littell | Demoted to reserve roster |   |   | Before |
| 7/1/1973 | BLU | Littell | Promoted to active roster |   |   | Before |
| 7/1/1973 | BLU | Littell | Demoted to reserve roster |   |   | Before |
| 7/1/1973 | BLU | Morlan | Promoted to active roster |   |   | Before |
| 7/1/1973 | BLU | Paul | Demoted to reserve roster |   |   | Before |
| 7/1/1973 | DAY | Anderson D | Promoted to active roster |   |   | Before |
| 7/1/1973 | DAY | Day | Demoted to reserve roster |   |   | Before |
| 7/1/1973 | FLU | Fenwick | Demoted to reserve roster |   |   | Before |
| 7/1/1973 | FLU | Fitzmorris | Promoted to active roster |   |   | Before |
| 7/1/1973 | FLU | Heintzelman | Promoted to active roster |   |   | Before |
| 7/1/1973 | FLU | Lanier | Demoted to reserve roster |   |   | Before |
| 7/1/1973 | FLU | Mays | Promoted to active roster |   |   | Before |
| 7/1/1973 | FLU | Monteagudo | Demoted to reserve roster |   |   | Before |
| 7/1/1973 | FLU | Seaver | Demoted to reserve roster |   |   | Before |
| 7/1/1973 | NIS | Folkers | Demoted to reserve roster |   |   | Before |
| 7/1/1973 | NIS | Freeman | Demoted to reserve roster |   |   | Before |
| 7/1/1973 | NIS | Joshua | Demoted to reserve roster |   |   | Before |
| 7/1/1973 | NIS | Newman | Promoted to active roster |   |   | Before |
| 7/1/1973 | NIS | Stanton | Promoted to active roster |   |   | Before |
| 7/1/1973 | NIS | Strickland | Promoted to active roster |   |   | Before |
| 7/1/1973 | ROS | Carbo | Promoted to active roster |   |   | Before |
| 7/1/1973 | ROS | Perry J | Demoted to reserve roster |   |   | Before |
| 7/1/1973 | ROS | Perry J | Promoted to active roster |   |   | Before |
| 7/1/1973 | ROS | Skok | Demoted to reserve roster |   |   | Before |
| 7/1/1973 | SCH | Brett G | Demoted to reserve roster |   |   | Before |
| 7/1/1973 | SCH | Capra | Demoted to reserve roster |   |   | Before |
| 7/1/1973 | SCH | Gura | Promoted to active roster |   |   | Before |
| 7/1/1973 | SCH | Johnson Bart | Demoted to reserve roster |   |   | Before |
| 7/1/1973 | SCH | Leon M | Promoted to active roster |   |   | Before |
| 7/1/1973 | SCH | Rodriguez Eduar | Promoted to active roster |   |   | Before |
| 7/1/1973 | TCR | Cosgrove | Demoted to reserve roster |   |   | Before |
| 7/1/1973 | TCR | Crowley | Promoted to active roster |   |   | Before |
| 7/1/1973 | TCR | Culp | Demoted to reserve roster |   |   | Before |
| 7/1/1973 | TCR | Fife | Promoted to active roster |   |   | Before |
| 7/1/1973 | TCR | Gardner | Promoted to active roster |   |   | Before |
| 7/1/1973 | TCR | Granger | Demoted to reserve roster |   |   | Before |
| 7/1/1973 | TCR | Maddox E | Demoted to reserve roster |   |   | Before |
| 7/1/1973 | TCR | Selma | Demoted to reserve roster |   |   | Before |
| 7/1/1973 | TCR | Selma | Promoted to active roster |   |   | Before |
| 7/1/1973 | TCR | Siebert | Demoted to reserve roster |   |   | Before |
| 7/1/1973 | TCR | Simpson | Promoted to active roster |   |   | Before |
| 7/1/1973 | TCR | Stanhouse | Promoted to active roster |   |   | Before |
| 7/5/1973 | BAL | Griffin T | Promoted to active roster |   |   | Before |
| 7/5/1973 | BAL | Matlack | Demoted to reserve roster |   |   | Before |
| 7/10/1973 | BAL | Griffin T | Demoted to reserve roster |   |   | Before |
| 7/10/1973 | BAL | Matlack | Promoted to active roster |   |   | Before |
| 7/10/1973 | BLU | Allen L | Promoted to active roster |   |   | Before |
| 7/10/1973 | BLU | Morlan | Demoted to reserve roster |   |   | Before |
| 8/1/1973 | BAL | Adams | Demoted to reserve roster |   |   | Before |
| 8/1/1973 | BAL | Adams | Promoted to active roster |   |   | Before |
| 8/1/1973 | BAL | Baker F | Promoted to active roster |   |   | Before |
| 8/1/1973 | BAL | Bibby | Demoted to reserve roster |   |   | Before |
| 8/1/1973 | BAL | Bibby | Promoted to active roster |   |   | Before |
| 8/1/1973 | BAL | Bibby | Demoted to reserve roster |   |   | Before |
| 8/1/1973 | BAL | Bosman | Demoted to reserve roster |   |   | Before |
| 8/1/1973 | BAL | Bosman | Promoted to active roster |   |   | Before |
| 8/1/1973 | BAL | Decker | Demoted to reserve roster |   |   | Before |
| 8/1/1973 | BAL | Decker | Promoted to active roster |   |   | Before |
| 8/1/1973 | BAL | Dierker | Demoted to reserve roster |   |   | Before |
| 8/1/1973 | BAL | Foli | Demoted to reserve roster |   |   | Before |
| 8/1/1973 | BAL | Foli | Promoted to active roster |   |   | Before |
| 8/1/1973 | BAL | Foster A | Demoted to reserve roster |   |   | Before |
| 8/1/1973 | BAL | Foster A | Promoted to active roster |   |   | Before |
| 8/1/1973 | BAL | Frisella | Demoted to reserve roster |   |   | Before |
| 8/1/1973 | BAL | Frisella | Promoted to active roster |   |   | Before |
| 8/1/1973 | BAL | Griffin T | Demoted to reserve roster |   |   | Before |
| 8/1/1973 | BAL | Griffin T | Promoted to active roster |   |   | Before |
| 8/1/1973 | BAL | Griffin T | Promoted to active roster |   |   | Before |
| 8/1/1973 | BAL | Hernandez R | Demoted to reserve roster |   |   | Before |
| 8/1/1973 | BAL | Hernandez R | Promoted to active roster |   |   | Before |
| 8/1/1973 | BAL | Hiller | Demoted to reserve roster |   |   | Before |
| 8/1/1973 | BAL | Hiller | Promoted to active roster |   |   | Before |
| 8/1/1973 | BAL | Hudson | Demoted to reserve roster |   |   | Before |
| 8/1/1973 | BAL | Hudson | Promoted to active roster |   |   | Before |
| 8/1/1973 | BAL | Leon E | Demoted to reserve roster |   |   | Before |
| 8/1/1973 | BAL | Leon E | Promoted to active roster |   |   | Before |
| 8/1/1973 | BAL | Lum | Demoted to reserve roster |   |   | Before |
| 8/1/1973 | BAL | Lum | Promoted to active roster |   |   | Before |
| 8/1/1973 | BAL | Mason D | Demoted to reserve roster |   |   | Before |
| 8/1/1973 | BAL | Mason D | Promoted to active roster |   |   | Before |
| 8/1/1973 | BAL | Matlack | Demoted to reserve roster |   |   | Before |
| 8/1/1973 | BAL | Matlack | Promoted to active roster |   |   | Before |
| 8/1/1973 | BAL | Monday | Demoted to reserve roster |   |   | Before |
| 8/1/1973 | BAL | Monday | Promoted to active roster |   |   | Before |
| 8/1/1973 | BAL | Monzon | Demoted to reserve roster |   |   | Before |
| 8/1/1973 | BAL | Monzon | Promoted to active roster |   |   | Before |
| 8/1/1973 | BAL | Plummer | Demoted to reserve roster |   |   | Before |
| 8/1/1973 | BAL | Plummer | Promoted to active roster |   |   | Before |
| 8/1/1973 | BAL | Roberts Dave | Demoted to reserve roster |   |   | Before |
| 8/1/1973 | BAL | Roberts Dave | Promoted to active roster |   |   | Before |
| 8/1/1973 | BAL | Royster | Demoted to reserve roster |   |   | Before |
| 8/1/1973 | BAL | Simmons | Demoted to reserve roster |   |   | Before |
| 8/1/1973 | BAL | Simmons | Promoted to active roster |   |   | Before |
| 8/1/1973 | BAL | Smith T | Promoted to active roster |   |   | Before |
| 8/1/1973 | BAL | Stennett | Demoted to reserve roster |   |   | Before |
| 8/1/1973 | BAL | Stennett | Promoted to active roster |   |   | Before |
| 8/1/1973 | BAL | Unser | Demoted to reserve roster |   |   | Before |
| 8/1/1973 | BAL | Unser | Promoted to active roster |   |   | Before |
| 8/1/1973 | BAL | Williams C | Demoted to reserve roster |   |   | Before |
| 8/1/1973 | BAL | Williams C | Promoted to active roster |   |   | Before |
| 8/1/1973 | BAL | Winfield | Demoted to reserve roster |   |   | Before |
| 8/1/1973 | BAL | Winfield | Promoted to active roster |   |   | Before |
| 8/1/1973 | BAL | Yastrzemski | Demoted to reserve roster |   |   | Before |
| 8/1/1973 | BAL | Yastrzemski | Promoted to active roster |   |   | Before |
| 8/1/1973 | BLU | Bradford | Demoted to reserve roster |   |   | Before |
| 8/1/1973 | BLU | Frailing | Promoted to active roster |   |   | Before |
| 8/1/1973 | BLU | Goggin | Promoted to active roster |   |   | Before |
| 8/1/1973 | BLU | Hough | Promoted to active roster |   |   | Before |
| 8/1/1973 | BLU | Howarth | Demoted to reserve roster |   |   | Before |
| 8/1/1973 | BLU | Littell | Demoted to reserve roster |   |   | Before |
| 8/1/1973 | BLU | Paul | Demoted to reserve roster |   |   | Before |
| 8/1/1973 | BLU | Poquette | Promoted to active roster |   |   | Before |
| 8/1/1973 | FLU | Bird | Demoted to reserve roster |   |   | Before |
| 8/1/1973 | FLU | Fenwick | Promoted to active roster |   |   | Before |
| 8/1/1973 | FLU | Heintzelman | Demoted to reserve roster |   |   | Before |
| 8/1/1973 | FLU | Nagy | Promoted to active roster |   |   | Before |
| 8/1/1973 | FLU | Sharp | Demoted to reserve roster |   |   | Before |
| 8/1/1973 | FLU | Zachary | Promoted to active roster |   |   | Before |
| 8/1/1973 | NIS | Beckert | Demoted to reserve roster |   |   | Before |
| 8/1/1973 | NIS | Blanks | Promoted to active roster |   |   | Before |
| 8/1/1973 | NIS | Dempsey | Promoted to active roster |   |   | Before |
| 8/1/1973 | NIS | Felske | Demoted to reserve roster |   |   | Before |
| 8/1/1973 | NIS | Felske | Promoted to active roster |   |   | Before |
| 8/1/1973 | NIS | Folkers | Promoted to active roster |   |   | Before |
| 8/1/1973 | NIS | Joshua | Promoted to active roster |   |   | Before |
| 8/1/1973 | NIS | Miller R | Demoted to reserve roster |   |   | Before |
| 8/1/1973 | NIS | Newman | Demoted to reserve roster |   |   | Before |
| 8/1/1973 | NIS | Parker D | Demoted to reserve roster |   |   | Before |
| 8/1/1973 | NIS | Wilson B | Demoted to reserve roster |   |   | Before |
| 8/1/1973 | ROS | Bell J | Promoted to active roster |   |   | Before |
| 8/1/1973 | ROS | Skok | Demoted to reserve roster |   |   | Before |
| 8/1/1973 | SCH | Berry | Demoted to reserve roster |   |   | Before |
| 8/1/1973 | SCH | Brett G | Promoted to active roster |   |   | Before |
| 8/1/1973 | SCH | Capra | Promoted to active roster |   |   | Before |
| 8/1/1973 | SCH | Gura | Demoted to reserve roster |   |   | Before |
| 8/1/1973 | SCH | Hosley | Promoted to active roster |   |   | Before |
| 8/1/1973 | SCH | Jackson M | Promoted to active roster |   |   | Before |
| 8/1/1973 | SCH | Johnson Bart | Promoted to active roster |   |   | Before |
| 8/1/1973 | SCH | Kline | Demoted to reserve roster |   |   | Before |
| 8/1/1973 | SCH | Llenas | Promoted to active roster |   |   | Before |
| 8/1/1973 | SCH | Robinson Brooks | Demoted to reserve roster |   |   | Before |
| 8/1/1973 | SCH | Sanguillen | Demoted to reserve roster |   |   | Before |
| 8/1/1973 | SCH | Torres H | Demoted to reserve roster |   |   | Before |
| 8/1/1973 | SMV | Holdsworth | Promoted to active roster |   |   | Before |
| 8/1/1973 | SMV | Kenney | Promoted to active roster |   |   | Before |
| 8/1/1973 | SMV | Magnuson | Demoted to reserve roster |   |   | Before |
| 8/1/1973 | SMV | Pena | Demoted to reserve roster |   |   | Before |
| 8/1/1973 | SMV | Perranoski | Promoted to active roster |   |   | Before |
| 8/1/1973 | SMV | Soderholm | Demoted to reserve roster |   |   | Before |
| 8/1/1973 | TCR | Auerbach | Promoted to active roster |   |   | Before |
| 8/1/1973 | TCR | Brinkman C | Demoted to reserve roster |   |   | Before |
| 8/1/1973 | TCR | Crowley | Demoted to reserve roster |   |   | Before |
| 8/1/1973 | TCR | Dyer | Promoted to active roster |   |   | Before |
| 8/1/1973 | TCR | Edwards | Promoted to active roster |   |   | Before |
| 8/1/1973 | TCR | Fife | Demoted to reserve roster |   |   | Before |
| 8/1/1973 | TCR | Gosger | Promoted to active roster |   |   | Before |
| 8/1/1973 | TCR | Kison | Promoted to active roster |   |   | Before |
| 8/1/1973 | TCR | Odom | Demoted to reserve roster |   |   | Before |
| 8/1/1973 | TCR | Rodriguez Ellie | Demoted to reserve roster |   |   | Before |
| 8/1/1973 | TCR | Selma | Promoted to active roster |   |   | Before |
| 8/1/1973 | TCR | Siebert | Promoted to active roster |   |   | Before |
| 8/1/1973 | TCR | Thomas D | Demoted to reserve roster |   |   | Before |
| 8/1/1973 | TCR | Woodson | Demoted to reserve roster |   |   | Before |
| 8/21/1973 | BAL | Bibby | Promoted to active roster |   |   | Before |
| 8/21/1973 | BAL | Williams C | Demoted to reserve roster |   |   | Before |
| 9/1/1973 | BAL | Abbott | Promoted to active roster |   |   | Before |
| 9/1/1973 | BAL | Adams | Demoted to reserve roster |   |   | Before |
| 9/1/1973 | BAL | Adams | Promoted to active roster |   |   | Before |
| 9/1/1973 | BAL | Baker F | Demoted to reserve roster |   |   | Before |
| 9/1/1973 | BAL | Baker F | Promoted to active roster |   |   | Before |
| 9/1/1973 | BAL | Bibby | Demoted to reserve roster |   |   | Before |
| 9/1/1973 | BAL | Bibby | Promoted to active roster |   |   | Before |
| 9/1/1973 | BAL | Bosman | Demoted to reserve roster |   |   | Before |
| 9/1/1973 | BAL | Bosman | Promoted to active roster |   |   | Before |
| 9/1/1973 | BAL | Brown J | Demoted to reserve roster |   |   | Before |
| 9/1/1973 | BAL | Brown J | Promoted to active roster |   |   | Before |
| 9/1/1973 | BAL | Decker | Demoted to reserve roster |   |   | Before |
| 9/1/1973 | BAL | Decker | Promoted to active roster |   |   | Before |
| 9/1/1973 | BAL | Foli | Demoted to reserve roster |   |   | Before |
| 9/1/1973 | BAL | Foli | Promoted to active roster |   |   | Before |
| 9/1/1973 | BAL | Ford W | Promoted to active roster |   |   | Before |
| 9/1/1973 | BAL | Foster A | Demoted to reserve roster |   |   | Before |
| 9/1/1973 | BAL | Foster A | Promoted to active roster |   |   | Before |
| 9/1/1973 | BAL | Frisella | Demoted to reserve roster |   |   | Before |
| 9/1/1973 | BAL | Frisella | Promoted to active roster |   |   | Before |
| 9/1/1973 | BAL | Gagliano | Promoted to active roster |   |   | Before |
| 9/1/1973 | BAL | Griffin T | Demoted to reserve roster |   |   | Before |
| 9/1/1973 | BAL | Griffin T | Promoted to active roster |   |   | Before |
| 9/1/1973 | BAL | Hernandez R | Demoted to reserve roster |   |   | Before |
| 9/1/1973 | BAL | Hernandez R | Promoted to active roster |   |   | Before |
| 9/1/1973 | BAL | Hiller | Demoted to reserve roster |   |   | Before |
| 9/1/1973 | BAL | Hiller | Promoted to active roster |   |   | Before |
| 9/1/1973 | BAL | Howard L | Promoted to active roster |   |   | Before |
| 9/1/1973 | BAL | Hudson | Demoted to reserve roster |   |   | Before |
| 9/1/1973 | BAL | Hudson | Promoted to active roster |   |   | Before |
| 9/1/1973 | BAL | Leon E | Demoted to reserve roster |   |   | Before |
| 9/1/1973 | BAL | Leon E | Promoted to active roster |   |   | Before |
| 9/1/1973 | BAL | Lum | Demoted to reserve roster |   |   | Before |
| 9/1/1973 | BAL | Lum | Promoted to active roster |   |   | Before |
| 9/1/1973 | BAL | Mason D | Demoted to reserve roster |   |   | Before |
| 9/1/1973 | BAL | Mason D | Promoted to active roster |   |   | Before |
| 9/1/1973 | BAL | Matlack | Promoted to active roster |   |   | Before |
| 9/1/1973 | BAL | Monday | Demoted to reserve roster |   |   | Before |
| 9/1/1973 | BAL | Monday | Promoted to active roster |   |   | Before |
| 9/1/1973 | BAL | Monzon | Promoted to active roster |   |   | Before |
| 9/1/1973 | BAL | Plummer | Demoted to reserve roster |   |   | Before |
| 9/1/1973 | BAL | Plummer | Promoted to active roster |   |   | Before |
| 9/1/1973 | BAL | Roberts Dave | Demoted to reserve roster |   |   | Before |
| 9/1/1973 | BAL | Roberts Dave | Promoted to active roster |   |   | Before |
| 9/1/1973 | BAL | Royster | Promoted to active roster |   |   | Before |
| 9/1/1973 | BAL | Simmons | Demoted to reserve roster |   |   | Before |
| 9/1/1973 | BAL | Simmons | Promoted to active roster |   |   | Before |
| 9/1/1973 | BAL | Smith T | Demoted to reserve roster |   |   | Before |
| 9/1/1973 | BAL | Smith T | Promoted to active roster |   |   | Before |
| 9/1/1973 | BAL | Stennett | Demoted to reserve roster |   |   | Before |
| 9/1/1973 | BAL | Stennett | Promoted to active roster |   |   | Before |
| 9/1/1973 | BAL | Taylor Chuck | Promoted to active roster |   |   | Before |
| 9/1/1973 | BAL | Unser | Demoted to reserve roster |   |   | Before |
| 9/1/1973 | BAL | Unser | Promoted to active roster |   |   | Before |
| 9/1/1973 | BAL | Williams C | Demoted to reserve roster |   |   | Before |
| 9/1/1973 | BAL | Winfield | Demoted to reserve roster |   |   | Before |
| 9/1/1973 | BAL | Winfield | Promoted to active roster |   |   | Before |
| 9/1/1973 | BAL | Yastrzemski | Demoted to reserve roster |   |   | Before |
| 9/1/1973 | BAL | Yastrzemski | Promoted to active roster |   |   | Before |
| 9/1/1973 | BLU | Brown L | Promoted to active roster |   |   | Before |
| 9/1/1973 | BLU | Callison | Promoted to active roster |   |   | Before |
| 9/1/1973 | BLU | Frailing | Promoted to active roster |   |   | Before |
| 9/1/1973 | BLU | Goggin | Promoted to active roster |   |   | Before |
| 9/1/1973 | BLU | Lamb R | Demoted to reserve roster |   |   | Before |
| 9/1/1973 | BLU | Lamb R | Promoted to active roster |   |   | Before |
| 9/1/1973 | BLU | Littell | Promoted to active roster |   |   | Before |
| 9/1/1973 | BLU | Morlan | Promoted to active roster |   |   | Before |
| 9/1/1973 | BLU | Pina | Demoted to reserve roster |   |   | Before |
| 9/1/1973 | BLU | Pina | Promoted to active roster |   |   | Before |
| 9/1/1973 | BLU | Poquette | Promoted to active roster |   |   | Before |
| 9/1/1973 | BLU | Rivers | Promoted to active roster |   |   | Before |
| 9/1/1973 | BLU | Roque | Promoted to active roster |   |   | Before |
| 9/1/1973 | BLU | Sharon | Demoted to reserve roster |   |   | Before |
| 9/1/1973 | BLU | Sharon | Promoted to active roster |   |   | Before |
| 9/1/1973 | DAY | Blanco | Promoted to active roster |   |   | Before |
| 9/1/1973 | DAY | Christenson | Promoted to active roster |   |   | Before |
| 9/1/1973 | DAY | Day | Promoted to active roster |   |   | Before |
| 9/1/1973 | DAY | Howard D | Promoted to active roster |   |   | Before |
| 9/1/1973 | DAY | LaGrow | Promoted to active roster |   |   | Before |
| 9/1/1973 | DAY | Pepitone | Promoted to active roster |   |   | Before |
| 9/1/1973 | FLU | Acosta | Demoted to reserve roster |   |   | Before |
| 9/1/1973 | FLU | Allen H | Promoted to active roster |   |   | Before |
| 9/1/1973 | FLU | Batista | Demoted to reserve roster |   |   | Before |
| 9/1/1973 | FLU | Batista | Promoted to active roster |   |   | Before |
| 9/1/1973 | FLU | Batista | Promoted to active roster |   |   | Before |
| 9/1/1973 | FLU | Bird | Demoted to reserve roster |   |   | Before |
| 9/1/1973 | FLU | Bolin | Demoted to reserve roster |   |   | Before |
| 9/1/1973 | FLU | Bolin | Promoted to active roster |   |   | Before |
| 9/1/1973 | FLU | Fitzmorris | Promoted to active roster |   |   | Before |
| 9/1/1973 | FLU | Heintzelman | Promoted to active roster |   |   | Before |
| 9/1/1973 | FLU | Monteagudo | Demoted to reserve roster |   |   | Before |
| 9/1/1973 | FLU | Monteagudo | Promoted to active roster |   |   | Before |
| 9/1/1973 | FLU | Nagy | Promoted to active roster |   |   | Before |
| 9/1/1973 | FLU | Zachary | Promoted to active roster |   |   | Before |
| 9/1/1973 | NIS | Beckert | Promoted to active roster |   |   | Before |
| 9/1/1973 | NIS | Campbell D | Demoted to reserve roster |   |   | Before |
| 9/1/1973 | NIS | Freeman | Demoted to reserve roster |   |   | Before |
| 9/1/1973 | NIS | Harrison | Promoted to active roster |   |   | Before |
| 9/1/1973 | NIS | Joshua | Demoted to reserve roster |   |   | Before |
| 9/1/1973 | NIS | Strickland | Demoted to reserve roster |   |   | Before |
| 9/1/1973 | ROS | Mashore | Promoted to active roster |   |   | Before |
| 9/1/1973 | ROS | Reese | Promoted to active roster |   |   | Before |
| 9/1/1973 | ROS | Skok | Promoted to active roster |   |   | Before |
| 9/1/1973 | SCH | Berry | Promoted to active roster |   |   | Before |
| 9/1/1973 | SCH | Brown I | Promoted to active roster |   |   | Before |
| 9/1/1973 | SCH | Caldwell | Demoted to reserve roster |   |   | Before |
| 9/1/1973 | SCH | Capra | Demoted to reserve roster |   |   | Before |
| 9/1/1973 | SCH | D'Acquisto | Promoted to active roster |   |   | Before |
| 9/1/1973 | SCH | Gura | Promoted to active roster |   |   | Before |
| 9/1/1973 | SCH | Hopkins | Promoted to active roster |   |   | Before |
| 9/1/1973 | SCH | Morales Jose | Promoted to active roster |   |   | Before |
| 9/1/1973 | SCH | Robinson Brooks | Promoted to active roster |   |   | Before |
| 9/1/1973 | SCH | Sanguillen | Promoted to active roster |   |   | Before |
| 9/1/1973 | SCH | Stinson | Promoted to active roster |   |   | Before |
| 9/1/1973 | SCH | Torres H | Promoted to active roster |   |   | Before |
| 9/1/1973 | SCH | Wise | Demoted to reserve roster |   |   | Before |
| 9/1/1973 | TCR | Brinkman C | Promoted to active roster |   |   | Before |
| 9/1/1973 | TCR | Broberg | Demoted to reserve roster |   |   | Before |
| 9/1/1973 | TCR | Culp | Promoted to active roster |   |   | Before |
| 9/1/1973 | TCR | Fife | Promoted to active roster |   |   | Before |
| 9/1/1973 | TCR | Gardner | Demoted to reserve roster |   |   | Before |
| 9/1/1973 | TCR | Goodson | Demoted to reserve roster |   |   | Before |
| 9/1/1973 | TCR | Howard F | Demoted to reserve roster |   |   | Before |
| 9/1/1973 | TCR | Hunter B | Promoted to active roster |   |   | Before |
| 9/1/1973 | TCR | Kison | Demoted to reserve roster |   |   | Before |
| 9/1/1973 | TCR | LaRussa | Promoted to active roster |   |   | Before |
| 9/1/1973 | TCR | Madlock | Promoted to active roster |   |   | Before |
| 9/1/1973 | TCR | Powell P | Promoted to active roster |   |   | Before |
| 9/1/1973 | TCR | Reynolds K | Demoted to reserve roster |   |   | Before |
| 9/1/1973 | TCR | Reynolds K | Promoted to active roster |   |   | Before |
| 9/1/1973 | TCR | Rodriguez Ellie | Promoted to active roster |   |   | Before |
| 9/1/1973 | TCR | Ryerson | Promoted to active roster |   |   | Before |
| 9/1/1973 | TCR | Stanhouse | Demoted to reserve roster |   |   | Before |
| 9/1/1973 | TCR | Stanhouse | Promoted to active roster |   |   | Before |
| 9/1/1973 | TCR | Thomas D | Promoted to active roster |   |   | Before |
| 9/15/1973 | BAL | Williams C | Promoted to active roster |   |   | Before |
| 9/22/1973 | NIS | Campbell D | Demoted to reserve roster |   |   | Before |
| 9/22/1973 | SCH | Blass | Promoted to active roster |   |   | Before |
| 9/22/1973 | SCH | Caldwell | Promoted to active roster |   |   | Before |
| 9/22/1973 | SCH | Capra | Promoted to active roster |   |   | Before |
| 9/22/1973 | SCH | Kline | Promoted to active roster |   |   | Before |
| 9/22/1973 | SCH | Wise | Promoted to active roster |   |   | Before |
| 9/25/1973 | TCR | Broberg | Promoted to active roster |   |   | Before |
| 9/25/1973 | TCR | Cosgrove | Promoted to active roster |   |   | Before |
| 9/25/1973 | TCR | Crowley | Promoted to active roster |   |   | Before |
| 9/25/1973 | TCR | Goodson | Promoted to active roster |   |   | Before |
| 9/25/1973 | TCR | Howard F | Promoted to active roster |   |   | Before |
| 9/25/1973 | TCR | Kison | Promoted to active roster |   |   | Before |
| 9/25/1973 | TCR | Maddox E | Promoted to active roster |   |   | Before |
| 9/25/1973 | TCR | Motton | Promoted to active roster |   |   | Before |
| 9/25/1973 | TCR | Odom | Promoted to active roster |   |   | Before |
| 9/25/1973 | TCR | Reynolds K | Promoted to active roster |   |   | Before |
| 1/29/2010 | FLU | Broberg | Traded away | TCR |   | After |
| 1/29/2010 | FLU | Fitzmorris | Acquired via trade | TCR |   | After |
| 1/29/2010 | FLU | Green | Traded away | TCR |   | After |
| 1/29/2010 | FLU | Menke | Traded away | TCR |   | After |
| 1/29/2010 | FLU | Wilson B | Traded away | TCR |   | After |
| 1/29/2010 | FRA | Hickman | Traded away | LAF |   | After |
| 1/29/2010 | FRA | McMullen | Acquired via trade | LAF |   | After |
| 1/29/2010 | ROS | Bell J | Traded away | HOL |   | After |
| 1/29/2010 | ROS | Cardenal | Acquired via trade | SMV |   | After |
| 1/29/2010 | ROS | Clarke | Acquired via trade | SMV |   | After |
| 1/29/2010 | ROS | Lacy | Acquired via trade | HOL |   | After |
| 1/29/2010 | ROS | Lonborg | Traded away | SMV |   | After |
| 1/29/2010 | ROS | Sizemore | Traded away | SMV |   | After |
| 1/29/2010 | SMV | Cardenal | Traded away | ROS |   | After |
| 1/29/2010 | SMV | Clarke | Traded away | ROS |   | After |
| 1/29/2010 | SMV | Kaline | Acquired via trade | LAF |   | After |
| 1/29/2010 | SMV | Lonborg | Acquired via trade | ROS |   | After |
| 1/29/2010 | SMV | McCarver | Acquired via trade | LAF |   | After |
| 1/29/2010 | SMV | Paul | Traded away | LAF |   | After |
| 1/29/2010 | SMV | Sizemore | Acquired via trade | ROS |   | After |
| 1/29/2010 | SMV | Woodson | Traded away | LAF |   | After |
| 1/29/2010 | SMV | Wright C | Traded away | LAF |   | After |
| 1/29/2010 | TCR | Broberg | Acquired via trade | FLU |   | After |
| 1/29/2010 | TCR | Fitzmorris | Traded away | FLU |   | After |
| 1/29/2010 | TCR | Green | Acquired via trade | FLU |   | After |
| 1/29/2010 | TCR | Menke | Acquired via trade | FLU |   | After |
| 1/29/2010 | TCR | Scarce | Acquired via trade | KEN |   | After |
| 1/29/2010 | TCR | Stone S | Acquired via trade | KEN |   | After |
| 1/29/2010 | TCR | Willoughby | Acquired via trade | KEN |   | After |
| 1/29/2010 | TCR | Wilson B | Acquired via trade | FLU |   | After |
| 2/14/2010 | DAY | LaGrow | Acquired via trade | LAS |   | After |
| 2/16/2010 | DAY | Brewer | Traded away | LAF |   | After |
| 2/16/2010 | DAY | Fisher | Acquired via trade | LAF |   | After |
| 2/16/2010 | DAY | May R | Acquired via trade | LAF |   | After |
| 2/16/2010 | DAY | McNally | Traded away | LAF |   | After |
| 2/16/2010 | DAY | Morales Jerry | Acquired via trade | LAF |   | After |
| 2/16/2010 | DAY | Paul | Acquired via trade | LAF |   | After |
| 2/16/2010 | DAY | Stargell | Traded away | LAF |   | After |
| 2/16/2010 | NIS | Aaron | Traded away | LAF |   | After |
| 2/17/2010 | ROS | Bell J | Acquired via trade | HOL |   | After |
| 2/17/2010 | ROS | Lacy | Traded away | HOL |   | After |
| 2/20/2010 | DAY | Beckert | Traded away | NIS |   | After |
| 2/20/2010 | DAY | Taylor T | Traded away | NIS |   | After |
| 2/20/2010 | NIS | Beckert | Acquired via trade | DAY |   | After |
| 2/20/2010 | NIS | Beniquez 1974 | Traded away | LAS |   | After |
| 2/20/2010 | NIS | Dempsey | Acquired via trade | LAS |   | After |
| 2/20/2010 | NIS | Taylor T | Acquired via trade | DAY |   | After |
| 3/16/2010 | TCR | Scarce | Traded away | LAF |   | After |
| 3/16/2010 | TCR | Woodson | Acquired via trade | LAF |   | After |
| 3/19/2010 | NIS | Duncan | Acquired via trade | ROS |   | After |
| 3/19/2010 | NIS | Folkers | Acquired via trade | ROS |   | After |
| 3/19/2010 | NIS | Fosse | Traded away | ROS |   | After |
| 3/19/2010 | ROS | Duncan | Traded away | NIS |   | After |
| 3/19/2010 | ROS | Folkers | Traded away | NIS |   | After |
| 3/19/2010 | ROS | Fosse | Acquired via trade | NIS |   | After |
| 5/9/2010 | ROS | Grabarkewitz | Acquired via trade | LAF |   | After |
| 5/9/2010 | ROS | Mashore | Acquired via trade | LAF |   | After |
| 5/9/2010 | ROS | Popovich | Traded away | LAF |   | After |
| 5/9/2010 | TCR | Grabarkewitz | Traded away | LAF |   | After |
| 5/9/2010 | TCR | Granger | Acquired via trade | LAF |   | After |
| 5/13/2010 | SCH | Money | Traded away | AMB |   | After |
| 5/13/2010 | SCH | Robinson Brooks | Acquired via trade | AMB |   | After |
| 5/14/2010 | BLU | Drago | Traded away | DAY |   | After |
| 5/14/2010 | BLU | Paul | Acquired via trade | DAY |   | After |
| 5/14/2010 | DAY | Drago | Acquired via trade | BLU |   | After |
| 5/14/2010 | DAY | Paul | Traded away | BLU |   | After |
| 5/26/2010 | BLU | Velazquez F | Traded away | LAS |   | After |
| 5/26/2010 | FLU | Greif | Acquired via trade | KEN |   | After |
| 5/26/2010 | FLU | Muser | Acquired via trade | KEN |   | After |
| 5/26/2010 | FLU | Pappas | Traded away | KEN |   | After |
| 5/26/2010 | FLU | Schaal | Acquired via trade | KEN |   | After |
| 5/26/2010 | FLU | Sharp | Acquired via trade | KEN |   | After |
| 5/26/2010 | ROS | Freed 1974 | Traded away | LAF |   | After |
| 5/26/2010 | ROS | Skok | Acquired via trade | LAF |   | After |
| 5/29/2010 | FLU | Kealey | Traded away | KEN |   | After |
| 5/29/2010 | FLU | Mays | Acquired via trade | KEN |   | After |
| 5/29/2010 | FLU | Strickland | Traded away | KEN |   | After |
| 5/29/2010 | FRA | Agee | Acquired via trade | KEN |   | After |
| 5/29/2010 | FRA | Allen B | Traded away | KAN |   | After |
| 5/29/2010 | FRA | Rogodzinski | Acquired via trade | KAN |   | After |
| 5/29/2010 | ROS | Brohamer | Acquired via trade | HOL |   | After |
| 5/29/2010 | ROS | Carbo | Acquired via trade | HOL |   | After |
| 5/29/2010 | ROS | Cater | Acquired via trade | HOL |   | After |
| 5/29/2010 | ROS | Dietz | Traded away | HOL |   | After |
| 5/29/2010 | ROS | McKinney | Traded away | KAN |   | After |
| 5/29/2010 | ROS | Seelbach | Acquired via trade | KAN |   | After |
| 5/29/2010 | ROS | Shellenback | Acquired via trade | KAN |   | After |
| 5/29/2010 | ROS | Slayback | Acquired via trade | KAN |   | After |
| 5/29/2010 | ROS | Tovar | Traded away | HOL |   | After |
| 5/29/2010 | ROS | Valentine | Traded away | HOL |   | After |
| 5/30/2010 | BLU | Brown L | Acquired via trade | FRA |   | After |
| 5/30/2010 | BLU | Callison | Acquired via trade | FRA |   | After |
| 5/30/2010 | BLU | Davis T | Traded away | FRA |   | After |
| 5/30/2010 | FRA | Arnold | Acquired via trade | SMV |   | After |
| 5/30/2010 | FRA | Brown L | Traded away | BLU |   | After |
| 5/30/2010 | FRA | Callison | Traded away | BLU |   | After |
| 5/30/2010 | FRA | Davis T | Acquired via trade | BLU |   | After |
| 5/30/2010 | FRA | Didier | Acquired via trade | SMV |   | After |
| 5/30/2010 | FRA | Lewis | Traded away | SMV |   | After |
| 5/30/2010 | FRA | Walton | Traded away | SMV |   | After |
| 5/30/2010 | NIS | Freeman | Acquired via trade | KEN |   | After |
| 5/30/2010 | NIS | Kealey | Acquired via trade | KEN |   | After |
| 5/30/2010 | NIS | Strickland | Acquired via trade | KEN |   | After |
| 5/30/2010 | ROS | Sands | Acquired via trade | FAI |   | After |
| 5/30/2010 | ROS | Schneck | Traded away | FAI |   | After |
| 5/30/2010 | SCH | Reynolds B | Traded away | ROC |   | After |
| 5/30/2010 | SMV | Arnold | Traded away | FRA |   | After |
| 5/30/2010 | SMV | Didier | Traded away | FRA |   | After |
| 5/30/2010 | SMV | Lewis | Acquired via trade | FRA |   | After |
| 5/30/2010 | SMV | Walton | Acquired via trade | FRA |   | After |
| 5/31/2010 | FLU | Meoli | Traded away | ROS |   | After |
| 5/31/2010 | ROS | Meoli | Acquired via trade | FLU |   | After |
| 6/1/2010 | FRA | Cleveland | Acquired via trade | HOL |   | After |
| 6/1/2010 | FRA | Forsch | Traded away | HOL |   | After |
| 6/1/2010 | FRA | Rodriguez A | Acquired via trade | HOL |   | After |
| 6/1/2010 | FRA | Scheinblum | Traded away | HOL |   | After |
| 6/1/2010 | FRA | Williams W | Acquired via trade | HOL |   | After |
| 6/4/2010 | DAY | Fuller | Traded away | LAF |   | After |
| 6/4/2010 | DAY | Hairston | Acquired via trade | LAF |   | After |
| 6/4/2010 | DAY | Knox | Traded away | LAF |   | After |
| 6/5/2010 | FLU | Allen H | Acquired via trade | LAF |   | After |
| 6/5/2010 | FLU | Chiles | Traded away | LAF |   | After |
| 6/5/2010 | ROS | Fuller | Acquired via trade | LAF |   | After |
| 6/5/2010 | ROS | Pagan | Traded away | LAF |   | After |
| 6/26/2010 | ROS | Casanova | Traded away | KAN |   | After |
| 6/26/2010 | ROS | Casanova | Acquired via trade | LAF |   | After |
| 6/26/2010 | ROS | Corbin | Traded away | LAF |   | After |
| 6/26/2010 | ROS | DaVanon | Traded away | KAN |   | After |
| 6/26/2010 | ROS | Fuller | Traded away | KAN |   | After |
| 6/26/2010 | ROS | Gentry | Acquired via trade | KAN |   | After |
| 6/26/2010 | ROS | Linzy | Acquired via trade | KAN |   | After |
| 6/26/2010 | ROS | May J | Traded away | LAF |   | After |
| 6/26/2010 | ROS | Sudakis | Acquired via trade | KAN |   | After |
| 6/26/2010 | ROS | Wright C | Traded away | KAN |   | After |
| 6/26/2010 | ROS | Wright C | Acquired via trade | LAF |   | After |