| Starter | Tm | Tier | Game |
|---|---|---|---|
| Johnny Sain | ATL | 9.76 | 194810022_ATL_SFN |
| Bob Lemon | CLE | 5.66 | 194810010_DET_CLE |
| Hal Newhouser | DET | 3.09 | 194810030_DET_CLE |
| Ray Scarborough | MIN | 2.16 | 194810030_MIN_OAK |
| Rex Barney | LAN | 1.73 | 194810030_PHI_LAN |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Bill Kennedy | BAL | -2.12 | 194810012_BAL_CHA |
| Curt Simmons | PHI | -1.4 | 194810030_PHI_LAN |
| Bill Wight | CHA | -1.38 | 194810031_BAL_CHA |
| Dutch McCall | CHN | -1.06 | 194810030_CHN_SLN |
| Bill McCahan | OAK | -0.91 | 194810020_MIN_OAK |
Based on accumulated WAA for this season up to 1948-10-03.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +004+ | 10.44 | Johnny Sain | 314.7 | ATL |
| +005+ | 10.22 | Harry Brecheen | 233.3 | SLN |
| +009+ | 8.53 | Johnny Schmitz | 242 | CHN |
| +010+ | 8.52 | Dutch Leonard | 225.7 | PHI |
| +012+ | 8.22 | Bob Lemon | 293.7 | CLE |
| +013+ | 7.88 | Gene Bearden | 220.7 | CLE |
| +018+ | 6.86 | Hal Newhouser | 272.3 | DET |
| +022+ | 5.84 | Preacher Roe | 177.7 | LAN |
| +023+ | 5.63 | Ray Scarborough | 185.3 | MIN |
| +024+ | 5.42 | Rex Barney | 246.7 | LAN |
| +030+ | 4.78 | Mel Parnell | 212 | BOS |
| +035+ | 4.11 | Johnny Vander Meer | 232 | CIN |
| +039+ | 3.58 | Steve Gromek | 130 | CLE |
| +042+ | 3.46 | Sheldon Jones | 200.3 | SFN |
| +043+ | 3.34 | Nels Potter | 113.3 | TOT |
| +045+ | 3.25 | Larry Jansen | 277 | SFN |
| +047+ | 3.22 | Robin Roberts | 146.7 | PHI |
| +048+ | 3.14 | Joe Dobson | 245.3 | BOS |
| +049+ | 3.06 | Ned Garver | 198 | BAL |
| +050+ | 2.98 | Bob Feller | 280.3 | CLE |
| +055+ | 2.71 | Ralph Branca | 215.7 | LAN |
| +060+ | 2.61 | Dizzy Trout | 183.7 | DET |
| +058+ | 2.61 | 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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