| Starter | Tm | Tier | Game |
|---|---|---|---|
| Bob Feller | CLE | 10.55 | 194805190_OAK_CLE |
| Harry Brecheen | SLN | 7.18 | 194805210_SLN_ATL |
| Warren Spahn | ATL | 3.91 | 194805210_SLN_ATL |
| Hal Newhouser | DET | 2.33 | 194805190_BOS_DET |
| Joe Dobson | BOS | 1.95 | 194805210_BOS_CLE |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Hank Borowy | CHN | -1.8 | 194805210_CHN_SFN |
| Howie Fox | CIN | -1.5 | 194805200_CIN_SFN |
| Rex Barney | LAN | -1.28 | 194805210_PIT_LAN |
| Bill Wight | CHA | -1 | 194805210_NYA_CHA |
| Ellis Kinder | BOS | -0.84 | 194805190_BOS_DET |
Based on accumulated WAA for this season up to 1948-05-21.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +002+ | 3.27 | Harry Brecheen | 42 | SLN |
| +003+ | 3.05 | Johnny Schmitz | 53.7 | CHN |
| +004+ | 2.54 | Ken Heintzelman | 26.7 | PHI |
| +006+ | 2.42 | Johnny Sain | 50.7 | ATL |
| +007+ | 2.34 | Russ Meyer | 44 | CHN |
| +009+ | 2.31 | Dave Koslo | 33 | SFN |
| +011+ | 2.29 | Elmer Riddle | 48 | PIT |
| +012+ | 2.09 | Warren Spahn | 40.3 | ATL |
| +013+ | 2.03 | Bob Feller | 54.3 | CLE |
| +014+ | 1.93 | Bill Voiselle | 47.7 | ATL |
| +017+ | 1.83 | Carl Scheib | 40 | OAK |
| +019+ | 1.77 | Allie Reynolds | 49 | NYA |
| +020+ | 1.72 | Walt Masterson | 43.7 | MIN |
| +021+ | 1.55 | Bob Lemon | 58.3 | CLE |
| +023+ | 1.52 | Vic Raschi | 29 | NYA |
| +024+ | 1.4 | Gene Bearden | 17.7 | CLE |
| +025+ | 1.4 | Phil Marchildon | 53.3 | OAK |
| +028+ | 1.38 | Spec Shea | 45 | NYA |
| +030+ | 1.36 | Blix Donnelly | 43 | PHI |
| +032+ | 1.34 | Ray Poat | 36 | SFN |
| XXXXX | 1.1 | Vern Bickford | 16.3 | ATL |
| XXXXX | 1.07 | Elmer Singleton | 24.3 | PIT |
| XXXXX | 1.04 | Red Munger | 38.3 | SLN |
| XXXXX | 1 | Mel Parnell | 31 | BOS |
| XXXXX | 0.98 | Joe Dobson | 53.3 | BOS |
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