| Starter | Tm | Tier | Game |
|---|---|---|---|
| Dutch Leonard | PHI | 8.71 | 194809030_PHI_ATL |
| Bob Lemon | CLE | 7.42 | 194809031_CLE_BAL |
| Johnny Sain | ATL | 5.84 | 194809030_PHI_ATL |
| Harry Brecheen | SLN | 5.68 | 194809040_SLN_CIN |
| Hal Newhouser | DET | 2.6 | 194809040_DET_CHA |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Early Wynn | MIN | -2.49 | 194809032_MIN_NYA |
| Bill Kennedy | BAL | -2.2 | 194809031_CLE_BAL |
| Mel Queen | PIT | -1.37 | 194809030_CHN_PIT |
| Clint Hartung | SFN | -1.06 | 194809031_SFN_LAN |
| Dutch McCall | CHN | -1.02 | 194809020_LAN_CHN |
Based on accumulated WAA for this season up to 1948-09-04.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +004+ | 8.68 | Bob Lemon | 250 | CLE |
| +006+ | 8.15 | Dutch Leonard | 193.7 | PHI |
| +007+ | 7.47 | Johnny Schmitz | 216.3 | CHN |
| +010+ | 7.36 | Johnny Sain | 250.7 | ATL |
| +014+ | 6.7 | Harry Brecheen | 190 | SLN |
| +018+ | 5.21 | Gene Bearden | 160.7 | CLE |
| +019+ | 5.13 | Ray Scarborough | 149.7 | MIN |
| +024+ | 4.56 | Joe Dobson | 208.7 | BOS |
| +026+ | 4.38 | Robin Roberts | 109.7 | PHI |
| +028+ | 4.3 | Bob Chesnes | 146.3 | PIT |
| +030+ | 4.07 | Preacher Roe | 137.3 | LAN |
| +034+ | 3.83 | Mel Parnell | 168.3 | BOS |
| +036+ | 3.61 | Hal Newhouser | 209.3 | DET |
| +037+ | 3.58 | Rex Barney | 191.7 | LAN |
| +038+ | 3.54 | Eddie Lopat | 196 | NYA |
| +040+ | 3.45 | Vic Raschi | 182 | NYA |
| +044+ | 3.28 | Spec Shea | 149.7 | NYA |
| +046+ | 3.15 | Satchel Paige | 64 | CLE |
| +048+ | 3.08 | Ned Garver | 161.7 | BAL |
| +052+ | 2.82 | Elmer Riddle | 172.7 | PIT |
| +055+ | 2.7 | Sheldon Jones | 173.7 | SFN |
| +059+ | 2.5 | Steve Gromek | 105.7 | CLE |
| +061+ | 2.47 | Walt Masterson | 165.7 | MIN |
| +063+ | 2.38 | Johnny Vander Meer | 182 | CIN |
| +064+ | 2.22 | Nels Potter | 98.3 | TOT |
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