| Starter | Tm | Tier | Game |
|---|---|---|---|
| Johnny Schmitz | CHN | 7.06 | 194809010_LAN_CHN |
| Bob Chesnes | PIT | 2.43 | 194809020_SFN_PIT |
| Gene Bearden | CLE | 2 | 194808310_CLE_OAK |
| Robin Roberts | PHI | 1.97 | 194809010_PHI_SLN |
| Vic Raschi | NYA | 1.25 | 194809010_BAL_NYA |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Sid Hudson | MIN | -6.31 | 194808310_CHA_MIN |
| Marino Pieretti | CHA | -1.74 | 194809010_CHA_MIN |
| Red Munger | SLN | -1.45 | 194808310_PHI_SLN |
| Dutch McCall | CHN | -1.02 | 194809020_LAN_CHN |
| Monty Kennedy | SFN | -0.65 | 194809010_SFN_PIT |
Based on accumulated WAA for this season up to 1948-09-02.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +005+ | 8.05 | Dutch Leonard | 185.7 | PHI |
| +006+ | 7.9 | Bob Lemon | 241 | CLE |
| +007+ | 7.55 | Johnny Schmitz | 216.3 | CHN |
| +011+ | 6.8 | Johnny Sain | 241.7 | ATL |
| +014+ | 6.61 | Harry Brecheen | 182 | SLN |
| +018+ | 5.26 | Gene Bearden | 160.7 | CLE |
| +019+ | 5.15 | Ray Scarborough | 149.7 | MIN |
| +025+ | 4.41 | Robin Roberts | 109.7 | PHI |
| +026+ | 4.35 | Bob Chesnes | 146.3 | PIT |
| +028+ | 4.1 | Preacher Roe | 137.3 | LAN |
| +030+ | 3.89 | Mel Parnell | 168.3 | BOS |
| +032+ | 3.77 | Joe Dobson | 199.7 | BOS |
| +037+ | 3.52 | Vic Raschi | 182 | NYA |
| +038+ | 3.5 | Rex Barney | 183.7 | LAN |
| +039+ | 3.44 | Hal Newhouser | 200.3 | DET |
| +040+ | 3.39 | Satchel Paige | 59.7 | CLE |
| +048+ | 2.95 | Eddie Lopat | 187 | NYA |
| +050+ | 2.88 | Elmer Riddle | 172.7 | PIT |
| +049+ | 2.88 | Spec Shea | 140.7 | NYA |
| +054+ | 2.64 | Bob Porterfield | 49 | NYA |
| +056+ | 2.6 | Ned Garver | 151.7 | BAL |
| +059+ | 2.49 | Steve Gromek | 103 | CLE |
| +060+ | 2.48 | Walt Masterson | 165.7 | MIN |
| +061+ | 2.45 | Johnny Vander Meer | 182 | CIN |
| +064+ | 2.26 | Nels Potter | 98.3 | TOT |
_