STAT-Innings -- All players in database
Regular season
| Primary |
| Name | Name | INN |
| Denny McLain | Mets | 127.2 |
| Fergie Jenkins | Wild Weasels | 124.0 |
| Bob Gibson | Voyageurs | 117.1 |
| Mel Stottlemyre | Wild Weasels | 116.2 |
| Dave McNally* | Fortress | 114.0 |
| Gaylord Perry | Mets | 109.2 |
| Earl Wilson | Seals | 105.0 |
| Juan Marichal | Voyageurs | 105.0 |
| Larry Dierker | Colts | 104.0 |
| Luis Tiant | Gladiators | 101.1 |
| Ray Washburn | Monarchs | 99.2 |
| Joe Horlen | Lions | 97.1 |
| Catfish Hunter | Hot Rods | 97.1 |
| Phil Niekro | Totems | 96.1 |
| Mike McCormick* | Elephants | 96.0 |
| Don Drysdale | Monarchs | 95.1 |
| Jerry Koosman* | Totems | 95.0 |
| Ray Culp | Rivers | 91.1 |
| Jim McGlothlin | Elephants | 91.0 |
| Ken Holtzman* | Marauders | 91.0 |
| Ron Reed | Marauders | 90.2 |
| Chuck Dobson | Marauders | 89.1 |
| Bill Hands | Hot Rods | 89.0 |
| Stan Bahnsen | Lions | 88.2 |
| Sam McDowell* | Seals | 88.2 |
| Tom Phoebus | Colts | 88.1 |
| Woodie Fryman* | Angels | 88.1 |
| Gary Nolan | Beavers | 88.0 |
| Blue Moon Odom | Lions | 87.2 |
| Mickey Lolich* | Totems | 87.0 |
| Pat Jarvis | Gladiators | 86.2 |
| Tom Seaver | Gladiators | 86.2 |
| Bob Veale* | Bishops | 86.0 |
| Steve Barber* | Beavers | 85.2 |
| Joe Niekro | Elephants | 84.1 |
| Joe Coleman | Lions | 84.0 |
| Milt Pappas | Seals | 82.0 |
| Don Cardwell | Wild Weasels | 81.1 |
| Nelson Briles | Resolutes | 80.2 |
| Joe Sparma | Angels | 80.1 |
| Dean Chance | Voyageurs | 80.1 |
| Jim Hardin | Resolutes | 78.1 |
| Jerry Arrigo* | Bishops | 77.1 |
| Jim Merritt* | Monarchs | 76.2 |
| Camilo Pascual | Angels | 75.2 |
| George Brunet* | Rivers | 73.2 |
| Claude Osteen* | Rivers | 73.1 |
| Ray Sadecki* | Gladiators | 73.0 |
| Don Wilson | Colts | 72.2 |
| Denny Lemaster* | Wild Weasels | 72.0 |
| Jack Fisher | Fortress | 71.1 |
| Jim Maloney | Mets | 70.0 |
| Don Sutton | Monarchs | 68.0 |
| Rick Wise | Bishops | 66.1 |
| Jim Nash | Hot Rods | 65.0 |
| Sammy Ellis | Totems | 64.1 |
| Fritz Peterson* | Beavers | 63.2 |
| Tony Cloninger | Fortress | 63.0 |
| Lew Krausse | Bishops | 62.2 |
| Dave Leonhard | Rivers | 62.2 |
| Larry Jackson | Monarchs | 62.2 |
| Bill Singer | Hot Rods | 62.2 |
| Tommy John* | Seals | 61.1 |
| Bill Monbouquette | Seals | 60.0 |
| Dick Selma | Resolutes | 58.2 |
| Jim Kaat* | Resolutes | 58.1 |
| Sonny Siebert | Colts | 58.0 |
| Bob Moose | Mets | 57.2 |
| Ken Johnson | Fortress | 57.0 |
| Mike Cuellar* | Mets | 56.2 |
| Larry Jaster* | Beavers | 56.0 |
| Steve Blass | Angels | 55.2 |
| Rich Nye* | Elephants | 54.1 |
| Mike Kekich* | Elephants | 54.1 |
| Al McBean | Bishops | 52.1 |
| Jim Bunning | Resolutes | 51.0 |
| Jim Britton | Colts | 51.0 |
| Gary Peters* | Beavers | 49.2 |
| Stan Williams | Totems | 48.0 |
| Gary Bell | Rivers | 47.2 |
| Cisco Carlos | Angels | 45.2 |
| Andy Messersmith | Fortress | 45.2 |
| John Hiller* | Gladiators | 44.0 |
| Dick Bosman | Wild Weasels | 41.1 |
| Steve Carlton* | Hot Rods | 40.1 |
| Dave Giusti | Lions | 39.2 |
| Jim Hannan | Fortress | 38.1 |
| Dave Boswell | Voyageurs | 37.1 |
| Jim Lonborg | Resolutes | 37.0 |
| John Purdin | Totems | 37.0 |
| Jim Ray | Bishops | 36.2 |
| Wally Bunker | Voyageurs | 36.1 |
| Wilbur Wood* | Totems | 36.0 |
| Tom Murphy | Marauders | 35.0 |
| Don McMahon | Colts | 34.0 |
| Phil Regan | Resolutes | 34.0 |
| Bob Humphreys | Beavers | 33.2 |
| Pete Richert* | Beavers | 29.2 |
| Jose Santiago | Voyageurs | 29.1 |
| Diego Segui | Hot Rods | 28.0 |
| Gary Waslewski | Fortress | 27.2 |
| Al Downing* | Elephants | 27.2 |
| Rickey Clark | Resolutes | 27.2 |
| Phil Ortega | Elephants | 27.2 |
| Bob Priddy | Marauders | 27.1 |
| Mudcat Grant | Hot Rods | 26.2 |
| Chris Short* | Monarchs | 26.2 |
| Cecil Upshaw | Gladiators | 26.0 |
| Jim Perry | Angels | 25.2 |
| Steve Hargan | Resolutes | 25.0 |
| Dick Ellsworth* | Gladiators | 24.1 |
| Jack Billingham | Wild Weasels | 24.1 |
| Dooley Womack | Angels | 23.2 |
| Ron Perranoski* | Bishops | 23.2 |
| Lee Stange | Seals | 23.1 |
| Ted Abernathy | Monarchs | 23.1 |
| Joe Verbanic | Angels | 22.1 |
| Alan Foster | Marauders | 22.1 |
| Gary Wagner | Marauders | 22.0 |
| Ron Taylor | Gladiators | 21.1 |
| Jim Roland* | Totems | 21.0 |
| Jack Aker | Totems | 21.0 |
| Juan Pizarro* | Wild Weasels | 21.0 |
| Wade Blasingame* | Elephants | 20.2 |
| Sparky Lyle* | Hot Rods | 20.1 |
| Eddie Watt | Hot Rods | 20.0 |
| Dennis Higgins | Lions | 19.2 |
| Mike Paul* | Seals | 19.2 |
| Bob Locker | Beavers | 19.1 |
| Grant Jackson* | Marauders | 19.0 |
| Archie Reynolds | Colts | 18.2 |
| Pat Dobson | Lions | 18.2 |
| Frank Linzy | Voyageurs | 18.1 |
| Jack Lamabe | Angels | 18.1 |
| Clyde Wright* | Colts | 18.1 |
| Dave Baldwin | Seals | 18.1 |
| Al Worthington | Rivers | 18.0 |
| Cal Koonce | Monarchs | 18.0 |
| Lindy McDaniel | Mets | 17.1 |
| Bobby Bolin | Voyageurs | 17.1 |
| Dock Ellis | Rivers | 17.1 |
| John Buzhardt | Rivers | 17.1 |
| Moe Drabowsky | Colts | 17.1 |
| Clay Carroll | Fortress | 17.0 |
| Ted Davidson* | Rivers | 16.2 |
| Gary Ross | Resolutes | 16.2 |
| Fred Talbot | Angels | 16.2 |
| Tom Dukes | Beavers | 16.1 |
| Daryl Patterson | Mets | 16.1 |
| Hoyt Wilhelm | Rivers | 16.1 |
| Eddie Fisher | Marauders | 16.0 |
| Jerry Nyman* | Hot Rods | 16.0 |
| Barry Moore* | Bishops | 16.0 |
| Bob Miller | Colts | 16.0 |
| Fred Lasher | Fortress | 16.0 |
| Jim McAndrew | Beavers | 16.0 |
| Dick Hall | Bishops | 16.0 |
| Hank Aguirre* | Monarchs | 16.0 |
| Mike Torrez | Bishops | 15.1 |
| Chuck Hartenstein | Seals | 15.1 |
| Luke Walker* | Elephants | 15.1 |
| Darold Knowles* | Beavers | 15.1 |
| Pete Mikkelsen | Colts | 15.0 |
| Gene Brabender | Voyageurs | 14.2 |
| Bill Short* | Wild Weasels | 14.2 |
| Dick Hughes | Mets | 14.1 |
| Ron Herbel | Elephants | 14.1 |
| Ron Kline | Seals | 14.1 |
| Billy McCool* | Wild Weasels | 14.0 |
| Joe Hoerner* | Mets | 14.0 |
| Minnie Rojas | Marauders | 13.2 |
| Jim Bouton | Fortress | 13.2 |
| Bill Landis* | Bishops | 13.2 |
| Paul Lindblad* | Hot Rods | 13.0 |
| Joe Moeller | Rivers | 13.0 |
| Danny Coombs* | Elephants | 12.2 |
| Dennis Bennett* | Fortress | 12.1 |
| Jon Warden* | Resolutes | 12.0 |
| Ron Willis | Lions | 12.0 |
| Wayne Granger | Voyageurs | 12.0 |
| Vicente Romo | Angels | 12.0 |
| Dennis Ribant | Colts | 12.0 |
| Steve Hamilton* | Hot Rods | 11.2 |
| Bill Harrelson | Seals | 11.0 |
| Bobby Locke | Rivers | 11.0 |
| Buzz Stephen | Marauders | 11.0 |
| Roger Nelson | Gladiators | 10.2 |
| Bob Lee | Lions | 10.2 |
| Jerry Stephenson | Totems | 10.1 |
| Marty Pattin | Rivers | 10.1 |
| Steve Kealey | Marauders | 10.1 |
| John Wyatt | Monarchs | 9.2 |
| Frank Reberger | Marauders | 9.2 |
| Jeff James | Wild Weasels | 9.0 |
| Rick Kester | Marauders | 9.0 |
| Claude Raymond | Rivers | 9.0 |
| Joe Gibbon* | Bishops | 8.2 |
| Dave Wickersham | Fortress | 8.1 |
| John Morris* | Monarchs | 8.1 |
| Dick Farrell | Lions | 7.2 |
| Les Cain* | Fortress | 7.2 |
| Tom Burgmeier* | Voyageurs | 7.0 |
| Jack Hamilton | Beavers | 7.0 |
| John Boozer | Gladiators | 6.2 |
| Jim Brewer* | Gladiators | 6.1 |
| George Stone* | Gladiators | 6.0 |
| George Culver | Lions | 4.2 |
| Bill Kelso | Rivers | 4.2 |
| John O'Donoghue* | Angels | 4.0 |
| Roy Face | Voyageurs | 3.1 |
| Jay Ritchie | Rivers | 3.1 |
| John Cumberland* | Marauders | 3.1 |
| Ed Sprague | Mets | 3.1 |
| Horacio Pina | Elephants | 2.0 |
| Rollie Fingers | Marauders | 2.0 |
| Tony Pierce* | Fortress | 2.0 |
| Tommie Sisk | Colts | 2.0 |
| Dick Kelley* | Mets | 2.0 |
| Rich Robertson | Rivers | 2.0 |
| Jim Rooker* | Rivers | 1.1 |
| Mel Queen | Mets | 1.1 |
| John Upham* | Rivers | 1.1 |
| Hal Kurtz | Rivers | 1.0 |
| Mike Hedlund | Bishops | 1.0 |
| Bruce DalCanton | Fortress | 1.0 |