| Starter | Tm | Tier | Game |
|---|---|---|---|
| Harry Brecheen | SLN | 8.24 | 194809240_SLN_CHN |
| Bob Lemon | CLE | 7 | 194809240_CLE_DET |
| Hal Newhouser | DET | 2.27 | 194809220_OAK_DET |
| Ray Scarborough | MIN | 2.06 | 194809230_MIN_BAL |
| Joe Dobson | BOS | 1.7 | 194809220_BOS_CLE |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Sid Hudson | MIN | -6.52 | 194809220_MIN_BAL |
| Herm Wehmeier | CIN | -3.99 | 194809240_CIN_PIT |
| Al Gettel | CHA | -0.94 | 194809240_CHA_BAL |
| Dutch McCall | CHN | -0.81 | 194809222_CHN_SFN |
| Phil Marchildon | OAK | -0.59 | 194809220_OAK_DET |
Based on accumulated WAA for this season up to 1948-09-24.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +004+ | 9.71 | Harry Brecheen | 224 | SLN |
| +006+ | 9.5 | Johnny Sain | 293.7 | ATL |
| +008+ | 8.7 | Johnny Schmitz | 242 | CHN |
| +010+ | 8.25 | Bob Lemon | 285.3 | CLE |
| +018+ | 6.11 | Gene Bearden | 193.7 | CLE |
| +021+ | 5.59 | Hal Newhouser | 246.3 | DET |
| +022+ | 5.46 | Mel Parnell | 202.3 | BOS |
| +023+ | 5.22 | Preacher Roe | 169.3 | LAN |
| +031+ | 4.43 | Ray Scarborough | 167.3 | MIN |
| +033+ | 4.23 | Robin Roberts | 141.3 | PHI |
| +034+ | 4.23 | Joe Dobson | 239.7 | BOS |
| +036+ | 4.13 | Rex Barney | 224 | LAN |
| +038+ | 3.82 | Johnny Vander Meer | 215 | CIN |
| +039+ | 3.8 | Steve Gromek | 127 | CLE |
| +041+ | 3.63 | Warren Spahn | 245 | ATL |
| +045+ | 3.29 | Larry Jansen | 270 | SFN |
| +047+ | 3.21 | Bob Chesnes | 177.3 | PIT |
| +050+ | 3.07 | Joe Hatten | 206.3 | LAN |
| +052+ | 3.02 | Dizzy Trout | 178 | DET |
| +053+ | 2.85 | Elmer Riddle | 191 | PIT |
| +055+ | 2.8 | Tommy Byrne | 122.3 | NYA |
| +059+ | 2.71 | Bob Feller | 260 | CLE |
| +062+ | 2.66 | Ned Garver | 183 | BAL |
| +060+ | 2.66 | Spec Shea | 155.7 | NYA |
| +061+ | 2.66 | Satchel Paige | 72.7 | CLE |
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