| Starter | Tm | Tier | Game |
|---|---|---|---|
| Johnny Sain | ATL | 7.53 | 194809140_CHN_ATL |
| Bob Lemon | CLE | 7.38 | 194809140_NYA_CLE |
| Harry Brecheen | SLN | 6.11 | 194809140_SLN_PHI |
| Ray Scarborough | MIN | 2.23 | 194809141_MIN_DET |
| Hal Newhouser | DET | 2.18 | 194809141_MIN_DET |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Sid Hudson | MIN | -6.65 | 194809160_MIN_CLE |
| Herm Wehmeier | CIN | -2.17 | 194809160_CIN_LAN |
| Al Gettel | CHA | -1.13 | 194809150_BOS_CHA |
| Frank Biscan | BAL | -0.97 | 194809150_OAK_BAL |
| Red Munger | SLN | -0.81 | 194809150_SLN_PHI |
Based on accumulated WAA for this season up to 1948-09-16.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +004+ | 8.75 | Johnny Sain | 275.7 | ATL |
| +006+ | 8.45 | Harry Brecheen | 208 | SLN |
| +007+ | 8.37 | Dutch Leonard | 210.7 | PHI |
| +008+ | 8.36 | Johnny Schmitz | 233.3 | CHN |
| +009+ | 8.28 | Bob Lemon | 271.3 | CLE |
| +017+ | 6.03 | Gene Bearden | 187 | CLE |
| +020+ | 5.71 | Ray Scarborough | 157.7 | MIN |
| +026+ | 4.73 | Mel Parnell | 193.3 | BOS |
| +028+ | 4.68 | Hal Newhouser | 228.3 | DET |
| +030+ | 4.57 | Preacher Roe | 158.7 | LAN |
| +031+ | 4.41 | Rex Barney | 210 | LAN |
| +033+ | 4.25 | Joe Dobson | 223.3 | BOS |
| +037+ | 3.75 | Robin Roberts | 132.3 | PHI |
| +041+ | 3.49 | Vic Raschi | 204.3 | NYA |
| +042+ | 3.37 | Bob Chesnes | 169.3 | PIT |
| +044+ | 3.23 | Johnny Vander Meer | 197 | CIN |
| +045+ | 3.12 | Dizzy Trout | 177 | DET |
| +046+ | 3.05 | Warren Spahn | 233 | ATL |
| +047+ | 3.03 | Sheldon Jones | 187.3 | SFN |
| +050+ | 2.9 | Steve Gromek | 118 | CLE |
| +051+ | 2.83 | Eddie Lopat | 208.3 | NYA |
| +053+ | 2.74 | Larry Jansen | 261 | SFN |
| +055+ | 2.71 | Elmer Riddle | 191 | PIT |
| +058+ | 2.63 | Satchel Paige | 72.7 | CLE |
| +060+ | 2.59 | Spec Shea | 155.7 | NYA |
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