| Starter | Tm | Tier | Game |
|---|---|---|---|
| Dutch Leonard | PHI | 8.71 | 194809030_PHI_ATL |
| Bob Lemon | CLE | 7.42 | 194809031_CLE_BAL |
| Johnny Sain | ATL | 5.84 | 194809030_PHI_ATL |
| Harry Brecheen | SLN | 5.68 | 194809040_SLN_CIN |
| Hal Newhouser | DET | 2.6 | 194809040_DET_CHA |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Sid Hudson | MIN | -4.8 | 194809050_MIN_NYA |
| Bill Kennedy | BAL | -2.2 | 194809031_CLE_BAL |
| Mel Queen | PIT | -1.37 | 194809030_CHN_PIT |
| Al Gettel | CHA | -1.11 | 194809050_DET_CHA |
| Clint Hartung | SFN | -1.06 | 194809031_SFN_LAN |
Based on accumulated WAA for this season up to 1948-09-05.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +004+ | 8.67 | Bob Lemon | 250 | CLE |
| +006+ | 8.16 | Dutch Leonard | 193.7 | PHI |
| +008+ | 7.48 | Johnny Schmitz | 216.3 | CHN |
| +009+ | 7.35 | Johnny Sain | 250.7 | ATL |
| +014+ | 6.69 | Harry Brecheen | 190 | SLN |
| +018+ | 5.21 | Gene Bearden | 160.7 | CLE |
| +019+ | 5.14 | Ray Scarborough | 149.7 | MIN |
| +023+ | 4.54 | Preacher Roe | 149.3 | LAN |
| +024+ | 4.53 | Joe Dobson | 208.7 | BOS |
| +028+ | 4.38 | Robin Roberts | 109.7 | PHI |
| +029+ | 4.3 | Bob Chesnes | 146.3 | PIT |
| +034+ | 3.8 | Mel Parnell | 168.3 | BOS |
| +036+ | 3.6 | Hal Newhouser | 209.3 | DET |
| +039+ | 3.53 | Rex Barney | 191.7 | LAN |
| +038+ | 3.53 | Eddie Lopat | 196 | NYA |
| +040+ | 3.44 | Vic Raschi | 182 | NYA |
| +043+ | 3.27 | Spec Shea | 149.7 | NYA |
| +045+ | 3.15 | Satchel Paige | 64 | CLE |
| +047+ | 3.07 | Ned Garver | 161.7 | BAL |
| +054+ | 2.65 | Sheldon Jones | 173.7 | SFN |
| +055+ | 2.62 | Elmer Riddle | 175 | PIT |
| +058+ | 2.49 | Steve Gromek | 105.7 | CLE |
| +060+ | 2.47 | Walt Masterson | 165.7 | MIN |
| +062+ | 2.37 | Johnny Vander Meer | 182 | CIN |
| +063+ | 2.22 | Nels Potter | 98.3 | TOT |
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