STAT-ERA-wk18 -- All players in database
Regular season
| Primary |
| Name | Name | ERA |
| Johnny Vander Meer* | Titans | 2.11 |
| Whitey Moore | Atlantics | 2.13 |
| Joe Cascarella | Frogs | 2.29 |
| Emerson Dickman | Whiffenpoofs | 2.51 |
| Johnny Allen | Atlantics | 2.52 |
| Mel Harder | Sprudels | 2.56 |
| Dick Coffman | | 2.56 |
| Lefty Grove* | Bean Brewers | 2.69 |
| Bill Lee | Titans | 2.76 |
| Jim Weaver | | 2.82 |
| Charlie Root | Sprudels | 2.85 |
| Dick Errickson | Bean Brewers | 2.86 |
| Fritz Ostermueller* | Gassers | 2.95 |
| Harry Gumbert | Blue Sox | 2.99 |
| Bob Feller | Blue Sox | 3.03 |
| Lefty Mills* | Whiffenpoofs | 3.05 |
| Russ Bauers | Dodgers | 3.14 |
| Spud Chandler | Gassers | 3.17 |
| Milt Shoffner* | Colonels | 3.19 |
| Fred Frankhouse | Blue Sox | 3.22 |
| Lon Warneke | Whiffenpoofs | 3.24 |
| Jack Russell | Whiffenpoofs | 3.25 |
| George Gill | Dodgers | 3.28 |
| Jack Knott | Colonels | 3.30 |
| Bill Lohrman | Blue Sox | 3.31 |
| Boots Poffenberger | Colonels | 3.32 |
| Carl Hubbell* | Mutuals | 3.33 |
| Larry French* | Titans | 3.37 |
| Dutch Leonard | Titans | 3.37 |
| Freddie Fitzsimmons | Colonels | 3.46 |
| Harry Eisenstat* | Mutuals | 3.48 |
| Johnny Rigney | Dodgers | 3.49 |
| Luke Hamlin | Mutuals | 3.52 |
| Clay Bryant | Gassers | 3.52 |
| Thornton Lee* | Glaziers | 3.54 |
| Van Lingle Mungo | Dodgers | 3.54 |
| Ted Lyons | Whiffenpoofs | 3.58 |
| Jim Turner | Bean Brewers | 3.65 |
| Al Hollingsworth* | Colonels | 3.68 |
| Red Ruffing | Atlantics | 3.70 |
| Joe Krakauskas* | Glaziers | 3.74 |
| Jim Tobin | Frogs | 3.75 |
| Earl Whitehill* | Bean Brewers | 3.79 |
| Danny MacFayden | Atlantics | 3.87 |
| Elden Auker | Sprudels | 3.87 |
| Bill McGee | Atlantics | 3.87 |
| Willis Hudlin | Seals | 3.87 |
| John Whitehead | Gassers | 3.92 |
| Tot Pressnell | Mutuals | 3.93 |
| Ed Brandt* | Blue Sox | 3.96 |
| Jim Bagby | Golden Buddhas | 3.96 |
| Syl Johnson | Golden Buddhas | 3.98 |
| Monte Pearson | Seals | 4.03 |
| Peaches Davis | Colonels | 4.08 |
| Bob Weiland* | Atlantics | 4.09 |
| Lou Fette | Colonels | 4.16 |
| Monty Stratton | Frogs | 4.19 |
| Paul Derringer | Dodgers | 4.23 |
| Curt Davis | Seals | 4.23 |
| Hal Schumacher | Frogs | 4.30 |
| Lefty Gomez* | Mutuals | 4.34 |
| Roy Henshaw* | Frogs | 4.38 |
| Oral Hildebrand | Gassers | 4.41 |
| Vito Tamulis* | Glaziers | 4.43 |
| Jack Wilson | Sprudels | 4.44 |
| Claude Passeau | Sprudels | 4.45 |
| Bud Thomas | Dodgers | 4.48 |
| George Caster | Golden Buddhas | 4.49 |
| Ken Chase* | Bean Brewers | 4.49 |
| Cy Blanton | Whiffenpoofs | 4.52 |
| Bob Klinger | Colonels | 4.55 |
| Fred Johnson | Glaziers | 4.57 |
| Johnny Marcum | | 4.70 |
| Gene Schott | Seals | 4.71 |
| Vern Kennedy | Titans | 4.78 |
| Bump Hadley | Seals | 4.79 |
| Lynn Nelson | Seals | 4.85 |
| Monte Weaver | Atlantics | 4.88 |
| Jim Walkup | Bean Brewers | 4.93 |
| Johnny Lanning | Sprudels | 4.93 |
| Bucky Walters | Glaziers | 4.97 |
| Johnny Murphy | Gassers | 4.97 |
| Cliff Melton* | Blue Sox | 5.00 |
| Max Butcher | Frogs | 5.10 |
| Ira Hutchinson | Mutuals | 5.14 |
| Bill Swift | Frogs | 5.17 |
| Slick Coffman | Seals | 5.21 |
| Wes Ferrell | Whiffenpoofs | 5.29 |
| Bobo Newsom | Glaziers | 5.35 |
| Nelson Potter | Dodgers | 5.40 |
| Tommy Bridges | Glaziers | 5.42 |
| Pete Appleton | Glaziers | 5.51 |
| Hugh Mulcahy | Frogs | 5.56 |
| Red Lucas | Golden Buddhas | 6.03 |
| Al Benton | Glaziers | 6.08 |
| Buck Ross | Golden Buddhas | 6.09 |
| Mace Brown | Whiffenpoofs | 6.12 |
| Denny Galehouse | Sprudels | 6.32 |
| Tex Carleton | Dodgers | 6.33 |
| Harry Kelley | Golden Buddhas | 6.39 |
| Roxie Lawson | Seals | 6.46 |
| Eddie Smith* | Gassers | 6.75 |
| Pete Sivess | Mutuals | 7.07 |
| Bill Posedel | Golden Buddhas | 7.79 |
| Jimmie DeShong | Seals | 8.06 |