| Starter | Tm | Tier | Game |
|---|---|---|---|
| Harry Brecheen | SLN | 6.8 | 194808291_LAN_SLN |
| Johnny Sain | ATL | 5.83 | 194808300_ATL_PIT |
| Bob Lemon | CLE | 5.74 | 194808291_CLE_MIN |
| Ray Scarborough | MIN | 2.96 | 194808300_CLE_MIN |
| Hal Newhouser | DET | 2.85 | 194808300_DET_NYA |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Early Wynn | MIN | -3.27 | 194808292_CLE_MIN |
| Mickey Harris | BOS | -2.23 | 194808292_BAL_BOS |
| Bill Kennedy | BAL | -2.21 | 194808280_BAL_OAK |
| Herm Wehmeier | CIN | -2.09 | 194808292_SFN_CIN |
| Dutch McCall | CHN | -1.74 | 194808291_PHI_CHN |
Based on accumulated WAA for this season up to 1948-08-30.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +005+ | 8.06 | Dutch Leonard | 185.7 | PHI |
| +006+ | 7.86 | Bob Lemon | 240 | CLE |
| +007+ | 7.14 | Johnny Schmitz | 209.3 | CHN |
| +010+ | 6.83 | Johnny Sain | 241.7 | ATL |
| +011+ | 6.66 | Harry Brecheen | 182 | SLN |
| +017+ | 5.18 | Ray Scarborough | 149.7 | MIN |
| +020+ | 4.82 | Ted Wilks | 113 | SLN |
| +022+ | 4.54 | Gene Bearden | 152.7 | CLE |
| +024+ | 4.36 | Bob Chesnes | 137.3 | PIT |
| +026+ | 4.26 | Robin Roberts | 101.7 | PHI |
| +030+ | 3.9 | Mel Parnell | 159.3 | BOS |
| +031+ | 3.82 | Joe Dobson | 199.7 | BOS |
| +034+ | 3.58 | Vic Raschi | 173 | NYA |
| +038+ | 3.46 | Hal Newhouser | 200.3 | DET |
| +039+ | 3.4 | Satchel Paige | 59.7 | CLE |
| +041+ | 3.36 | Rex Barney | 175.7 | LAN |
| +045+ | 3.24 | Preacher Roe | 128.3 | LAN |
| +047+ | 3.05 | Eddie Lopat | 187 | NYA |
| +049+ | 2.96 | Spec Shea | 140.7 | NYA |
| +050+ | 2.88 | Elmer Riddle | 165.7 | PIT |
| +051+ | 2.67 | Ned Garver | 151.7 | BAL |
| +057+ | 2.51 | Steve Gromek | 103 | CLE |
| +058+ | 2.4 | Bob Porterfield | 46.3 | NYA |
| +062+ | 2.28 | Nels Potter | 98.3 | TOT |
| +063+ | 2.23 | Dick Fowler | 151 | OAK |
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