| Starter | Tm | Tier | Game |
|---|---|---|---|
| Johnny Sain | ATL | 7.9 | 194809170_PIT_ATL |
| Gene Bearden | CLE | 3.05 | 194809160_MIN_CLE |
| Hal Newhouser | DET | 2.34 | 194809180_NYA_DET |
| Mel Parnell | BOS | 1.94 | 194809160_BOS_BAL |
| Rex Barney | LAN | 1.55 | 194809170_SLN_LAN |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Sid Hudson | MIN | -6.65 | 194809160_MIN_CLE |
| Herm Wehmeier | CIN | -2.78 | 194809180_CIN_SFN |
| Bill Kennedy | BAL | -1.8 | 194809170_BOS_BAL |
| Dutch McCall | CHN | -0.73 | 194809170_CHN_PHI |
| Clint Hartung | SFN | -0.7 | 194809180_CIN_SFN |
Based on accumulated WAA for this season up to 1948-09-18.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +004+ | 9.25 | Johnny Sain | 284.7 | ATL |
| +006+ | 8.51 | Harry Brecheen | 208 | SLN |
| +007+ | 8.43 | Johnny Schmitz | 233.3 | CHN |
| +008+ | 8.42 | Dutch Leonard | 210.7 | PHI |
| +009+ | 8.35 | Bob Lemon | 271.3 | CLE |
| +019+ | 6.07 | Gene Bearden | 187 | CLE |
| +020+ | 5.77 | Ray Scarborough | 157.7 | MIN |
| +023+ | 4.97 | Hal Newhouser | 237.3 | DET |
| +027+ | 4.77 | Mel Parnell | 193.3 | BOS |
| +028+ | 4.61 | Preacher Roe | 158.7 | LAN |
| +031+ | 4.54 | Joe Dobson | 232.3 | BOS |
| +033+ | 4.28 | Rex Barney | 217 | LAN |
| +037+ | 3.78 | Robin Roberts | 132.3 | PHI |
| +038+ | 3.75 | Warren Spahn | 242 | ATL |
| +040+ | 3.55 | Vic Raschi | 204.3 | NYA |
| +041+ | 3.54 | Johnny Vander Meer | 206 | CIN |
| +045+ | 3.43 | Bob Chesnes | 169.3 | PIT |
| +046+ | 3.16 | Dizzy Trout | 177 | DET |
| +048+ | 3.04 | Sheldon Jones | 191.3 | SFN |
| +050+ | 2.93 | Steve Gromek | 118 | CLE |
| +052+ | 2.8 | Larry Jansen | 261 | SFN |
| +053+ | 2.78 | Elmer Riddle | 191 | PIT |
| +055+ | 2.73 | Andy Hansen | 89.7 | SFN |
| +057+ | 2.65 | Satchel Paige | 72.7 | CLE |
| +058+ | 2.64 | Spec Shea | 155.7 | NYA |
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