| Starter | Tm | Tier | Game |
|---|---|---|---|
| Johnny Schmitz | CHN | 7.49 | 194805260_CHN_LAN |
| Warren Spahn | ATL | 4.83 | 194805260_CIN_ATL |
| Hal Newhouser | DET | 3.35 | 194805240_MIN_DET |
| Bob Lemon | CLE | 1.82 | 194805250_MIN_CLE |
| Joe Dobson | BOS | 1.37 | 194805260_BOS_BAL |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Preacher Roe | LAN | -3.65 | 194805240_CIN_LAN |
| Sid Hudson | MIN | -3.61 | 194805260_MIN_CLE |
| Ellis Kinder | BOS | -0.76 | 194805250_BOS_BAL |
| Joe Coleman | OAK | -0.69 | 194805260_OAK_CHA |
| Kent Peterson | CIN | -0.54 | 194805240_CIN_LAN |
Based on accumulated WAA for this season up to 1948-05-26.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +001+ | 3.74 | Johnny Schmitz | 62.7 | CHN |
| +004+ | 3.3 | Harry Brecheen | 42 | SLN |
| +006+ | 2.75 | Gene Bearden | 34.7 | CLE |
| +008+ | 2.59 | Walt Masterson | 52.7 | MIN |
| +009+ | 2.52 | Ken Heintzelman | 26.7 | PHI |
| +011+ | 2.38 | Bob Lemon | 67.3 | CLE |
| +012+ | 2.23 | Elmer Riddle | 56 | PIT |
| +013+ | 2.18 | Ray Poat | 45 | SFN |
| +014+ | 1.95 | Johnny Sain | 57 | ATL |
| +015+ | 1.93 | Dave Koslo | 38 | SFN |
| +017+ | 1.81 | Russ Meyer | 47 | CHN |
| +018+ | 1.79 | Carl Scheib | 44 | OAK |
| +021+ | 1.73 | Warren Spahn | 45.7 | ATL |
| +023+ | 1.62 | Bob Feller | 61.3 | CLE |
| +026+ | 1.54 | Kirby Higbe | 35.7 | PIT |
| +028+ | 1.49 | Allie Reynolds | 57 | NYA |
| +033+ | 1.34 | Vic Raschi | 38 | NYA |
| +037+ | 1.25 | Dutch Leonard | 44.3 | PHI |
| XXXXX | 1.19 | Larry Jansen | 56.7 | SFN |
| XXXXX | 1.17 | Virgil Trucks | 48 | DET |
| XXXXX | 1.14 | Elmer Singleton | 29.3 | PIT |
| XXXXX | 1.12 | Joe Dobson | 63.7 | BOS |
| XXXXX | 1.1 | Vern Bickford | 25.3 | ATL |
| XXXXX | 1.1 | Phil Marchildon | 61.3 | OAK |
| XXXXX | 1.09 | Bill Voiselle | 50 | ATL |
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