| Starter | Tm | Tier | Game |
|---|---|---|---|
| Bob Feller | CLE | 11.16 | 194805231_NYA_CLE |
| Harry Brecheen | SLN | 7.18 | 194805210_SLN_ATL |
| Johnny Sain | ATL | 6.46 | 194805220_SLN_ATL |
| Joe Dobson | BOS | 1.95 | 194805210_BOS_CLE |
| Dizzy Trout | DET | 1.71 | 194805210_OAK_DET |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Sid Hudson | MIN | -3.3 | 194805220_MIN_BAL |
| Hank Borowy | CHN | -1.8 | 194805210_CHN_SFN |
| Don Black | CLE | -1.79 | 194805232_NYA_CLE |
| Jack Kramer | BOS | -1.7 | 194805220_BOS_CLE |
| Hal Gregg | PIT | -1.29 | 194805230_PIT_SFN |
Based on accumulated WAA for this season up to 1948-05-23.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +002+ | 3.27 | Harry Brecheen | 42 | SLN |
| +003+ | 3.1 | Johnny Schmitz | 53.7 | CHN |
| +007+ | 2.56 | Walt Masterson | 52.7 | MIN |
| +009+ | 2.53 | Ken Heintzelman | 26.7 | PHI |
| +010+ | 2.31 | Dave Koslo | 33 | SFN |
| +011+ | 2.3 | Elmer Riddle | 48 | PIT |
| +012+ | 2.23 | Gene Bearden | 26.7 | CLE |
| +013+ | 2.19 | Ray Poat | 45 | SFN |
| +014+ | 2.08 | Warren Spahn | 40.3 | ATL |
| +016+ | 1.96 | Johnny Sain | 57 | ATL |
| +018+ | 1.85 | Carl Scheib | 40 | OAK |
| +019+ | 1.82 | Russ Meyer | 47 | CHN |
| +022+ | 1.62 | Bob Feller | 61.3 | CLE |
| +023+ | 1.56 | Bob Lemon | 58.3 | CLE |
| +025+ | 1.53 | Kirby Higbe | 35.7 | PIT |
| +026+ | 1.52 | Vic Raschi | 29 | NYA |
| +028+ | 1.48 | Allie Reynolds | 57 | NYA |
| +030+ | 1.38 | Spec Shea | 45 | NYA |
| +038+ | 1.26 | Dutch Leonard | 44.3 | PHI |
| XXXXX | 1.18 | Virgil Trucks | 48 | DET |
| XXXXX | 1.13 | Elmer Singleton | 29.3 | PIT |
| XXXXX | 1.11 | Larry Jansen | 55.7 | SFN |
| XXXXX | 1.11 | Phil Marchildon | 61.3 | OAK |
| XXXXX | 1.1 | Vern Bickford | 25.3 | ATL |
| XXXXX | 1.09 | Bill Voiselle | 50 | ATL |
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