| Starter | Tm | Tier | Game |
|---|---|---|---|
| Harry Brecheen | SLN | 9.55 | 194808240_ATL_SLN |
| Dutch Leonard | PHI | 9.1 | 194808262_PHI_PIT |
| Bob Lemon | CLE | 4.68 | 194808250_CLE_BOS |
| Johnny Sain | ATL | 4.44 | 194808240_ATL_SLN |
| Hal Newhouser | DET | 3.11 | 194808260_DET_OAK |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Sid Hudson | MIN | -6.34 | 194808260_BAL_MIN |
| Bill Kennedy | BAL | -2.22 | 194808240_BAL_MIN |
| Mel Queen | PIT | -2.02 | 194808262_PHI_PIT |
| Dutch McCall | CHN | -1.99 | 194808250_SFN_CHN |
| Howie Fox | CIN | -1.83 | 194808250_PHI_CIN |
Based on accumulated WAA for this season up to 1948-08-26.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +005+ | 7.92 | Dutch Leonard | 177.7 | PHI |
| +007+ | 7.02 | Harry Brecheen | 178.3 | SLN |
| +008+ | 6.97 | Bob Lemon | 231 | CLE |
| +011+ | 6.3 | Johnny Schmitz | 200.3 | CHN |
| +016+ | 5.61 | Johnny Sain | 225 | ATL |
| +017+ | 5.39 | Ray Scarborough | 149.3 | MIN |
| +018+ | 4.94 | Gene Bearden | 152.7 | CLE |
| +019+ | 4.67 | Ted Wilks | 104.3 | SLN |
| +026+ | 3.95 | Vic Raschi | 165.7 | NYA |
| +027+ | 3.92 | Mel Parnell | 159.3 | BOS |
| +031+ | 3.72 | Bob Chesnes | 128.3 | PIT |
| +032+ | 3.61 | Dizzy Trout | 156.3 | DET |
| +033+ | 3.55 | Robin Roberts | 94.3 | PHI |
| +037+ | 3.39 | Joe Dobson | 190.7 | BOS |
| +039+ | 3.32 | Hal Newhouser | 192.3 | DET |
| +040+ | 3.27 | Rex Barney | 165.7 | LAN |
| +045+ | 2.85 | Eddie Lopat | 176 | NYA |
| +046+ | 2.84 | Steve Gromek | 100 | CLE |
| +047+ | 2.76 | Elmer Riddle | 157.7 | PIT |
| +049+ | 2.65 | Satchel Paige | 49.7 | CLE |
| +050+ | 2.62 | Tommy Byrne | 83 | NYA |
| +051+ | 2.54 | Bob Porterfield | 39 | NYA |
| +056+ | 2.4 | Preacher Roe | 119.3 | LAN |
| +058+ | 2.39 | Sheldon Jones | 159 | SFN |
| +061+ | 2.26 | Nels Potter | 98.3 | TOT |
_