| Starter | Tm | Tier | Game |
|---|---|---|---|
| Bob Feller | CLE | 9.09 | 194806040_CLE_MIN |
| Harry Brecheen | SLN | 8.72 | 194806030_LAN_SLN |
| Johnny Schmitz | CHN | 7.23 | 194806040_PHI_CHN |
| Warren Spahn | ATL | 4.58 | 194806050_ATL_PIT |
| Hal Newhouser | DET | 4.28 | 194806030_DET_NYA |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Bob Gillespie | CHA | -1.8 | 194806050_CHA_MIN |
| Jack Kramer | BOS | -1.73 | 194806030_BAL_BOS |
| Preacher Roe | LAN | -1.57 | 194806030_LAN_SLN |
| Kent Peterson | CIN | -0.92 | 194806040_SFN_CIN |
| Cliff Chambers | CHN | -0.46 | 194806051_PHI_CHN |
Based on accumulated WAA for this season up to 1948-06-05.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +001+ | 4.21 | Harry Brecheen | 57 | SLN |
| +003+ | 3.57 | Bob Lemon | 86.3 | CLE |
| +006+ | 2.93 | Johnny Schmitz | 77.3 | CHN |
| +008+ | 2.85 | Gene Bearden | 50.3 | CLE |
| +010+ | 2.71 | Kirby Higbe | 58.3 | PIT |
| +012+ | 2.58 | Ken Heintzelman | 34.3 | PHI |
| +014+ | 2.52 | Walt Masterson | 64.3 | MIN |
| +015+ | 2.49 | Elmer Riddle | 65 | PIT |
| +016+ | 2.44 | Vic Raschi | 52 | NYA |
| +019+ | 2.19 | Bob Feller | 78 | CLE |
| +021+ | 2 | Dutch Leonard | 64 | PHI |
| +022+ | 1.97 | Joe Dobson | 81.7 | BOS |
| +023+ | 1.9 | Dave Koslo | 48.3 | SFN |
| +029+ | 1.75 | Spec Shea | 58 | NYA |
| +031+ | 1.66 | Russ Meyer | 57.3 | CHN |
| +037+ | 1.46 | Ray Poat | 50.3 | SFN |
| +039+ | 1.41 | Mel Parnell | 48.7 | BOS |
| +040+ | 1.38 | Johnny Sain | 69.3 | ATL |
| XXXXX | 1.2 | Ralph Branca | 76.7 | LAN |
| XXXXX | 1.15 | Ray Scarborough | 33.3 | MIN |
| XXXXX | 1.09 | Warren Spahn | 61.7 | ATL |
| XXXXX | 1.01 | Carl Scheib | 56 | OAK |
| XXXXX | 0.96 | Preacher Roe | 51.3 | LAN |
| XXXXX | 0.83 | Bill Voiselle | 65.7 | ATL |
| XXXXX | 0.8 | Allie Reynolds | 70 | NYA |
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