| Starter | Tm | Tier | Game |
|---|---|---|---|
| Johnny Sain | ATL | 9.76 | 194810022_ATL_SFN |
| Harry Brecheen | SLN | 8.48 | 194809302_PIT_SLN |
| Bob Lemon | CLE | 5.66 | 194810010_DET_CLE |
| Mel Parnell | BOS | 1.77 | 194809300_MIN_BOS |
| Robin Roberts | PHI | 1.04 | 194810020_PHI_LAN |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Early Wynn | MIN | -5.06 | 194809300_MIN_BOS |
| Bill Kennedy | BAL | -2.12 | 194810012_BAL_CHA |
| Bill McCahan | OAK | -0.91 | 194810020_MIN_OAK |
| Al Gettel | CHA | -0.8 | 194810012_BAL_CHA |
| Hank Borowy | CHN | -0.76 | 194810020_CHN_SLN |
Based on accumulated WAA for this season up to 1948-10-02.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +004+ | 10.45 | Johnny Sain | 314.7 | ATL |
| +005+ | 10.21 | Harry Brecheen | 233 | SLN |
| +009+ | 8.55 | Johnny Schmitz | 242 | CHN |
| +010+ | 8.54 | Dutch Leonard | 225.7 | PHI |
| +012+ | 8.23 | Bob Lemon | 293.7 | CLE |
| +013+ | 7.89 | Gene Bearden | 220.7 | CLE |
| +020+ | 6.23 | Hal Newhouser | 263.3 | DET |
| +022+ | 5.85 | Preacher Roe | 177.7 | LAN |
| +023+ | 5.2 | Ray Scarborough | 176.3 | MIN |
| +028+ | 4.8 | Rex Barney | 240 | LAN |
| +029+ | 4.79 | Mel Parnell | 212 | BOS |
| +038+ | 3.73 | Steve Gromek | 127 | CLE |
| +041+ | 3.61 | Bob Feller | 278 | CLE |
| +042+ | 3.58 | Joe Dobson | 241 | BOS |
| +043+ | 3.47 | Sheldon Jones | 200.3 | SFN |
| +044+ | 3.37 | Nels Potter | 111.3 | TOT |
| +046+ | 3.26 | Larry Jansen | 277 | SFN |
| +048+ | 3.25 | Johnny Vander Meer | 223 | CIN |
| +049+ | 3.23 | Robin Roberts | 146.7 | PHI |
| +051+ | 2.82 | Ned Garver | 190 | BAL |
| +054+ | 2.74 | Ralph Branca | 213.7 | LAN |
| +057+ | 2.62 | Dizzy Trout | 183.7 | DET |
| +056+ | 2.62 | Satchel Paige | 72.7 | CLE |
| +061+ | 2.58 | Spec Shea | 155.7 | NYA |
| +062+ | 2.56 | Tommy Byrne | 133.7 | NYA |
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