| Starter | Tm | Tier | Game |
|---|---|---|---|
| Dutch Leonard | PHI | 9.27 | 194808222_PHI_SFN |
| Johnny Sain | ATL | 6.9 | 194808211_ATL_LAN |
| Johnny Schmitz | CHN | 5.76 | 194808220_CIN_CHN |
| Hal Newhouser | DET | 4.56 | 194808220_BAL_DET |
| Bob Lemon | CLE | 4.49 | 194808210_CHA_CLE |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Mickey Harris | BOS | -3.45 | 194808220_MIN_BOS |
| Monty Kennedy | SFN | -1.93 | 194808222_PHI_SFN |
| Red Munger | SLN | -1.79 | 194808210_PIT_SLN |
| Marino Pieretti | CHA | -1.51 | 194808222_CHA_CLE |
| Hank Borowy | CHN | -0.84 | 194808210_CIN_CHN |
Based on accumulated WAA for this season up to 1948-08-23.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +005+ | 7.83 | Dutch Leonard | 171.7 | PHI |
| +006+ | 7.79 | Harry Brecheen | 172 | SLN |
| +010+ | 6.2 | Johnny Schmitz | 200.3 | CHN |
| +012+ | 5.96 | Bob Lemon | 222 | CLE |
| +016+ | 5.54 | Gene Bearden | 144.7 | CLE |
| +017+ | 5.23 | Johnny Sain | 216 | ATL |
| +018+ | 4.76 | Ray Scarborough | 141.3 | MIN |
| +019+ | 4.55 | Ted Wilks | 103.7 | SLN |
| +025+ | 3.86 | Vic Raschi | 165.7 | NYA |
| +030+ | 3.6 | Mel Parnell | 150.3 | BOS |
| +033+ | 3.52 | Dizzy Trout | 156.3 | DET |
| +034+ | 3.48 | Robin Roberts | 94.3 | PHI |
| +035+ | 3.46 | Joe Dobson | 183.7 | BOS |
| +037+ | 3.34 | Hal Newhouser | 185 | DET |
| +039+ | 3.16 | Rex Barney | 165.7 | LAN |
| +040+ | 3.02 | Satchel Paige | 47.3 | CLE |
| +041+ | 3.01 | Bob Chesnes | 119.3 | PIT |
| +043+ | 2.85 | Ned Garver | 141.7 | BAL |
| +045+ | 2.72 | Eddie Lopat | 169 | NYA |
| +046+ | 2.71 | Sheldon Jones | 154.7 | SFN |
| +048+ | 2.69 | Carl Erskine | 32.7 | LAN |
| +049+ | 2.68 | Elmer Riddle | 157.7 | PIT |
| +050+ | 2.59 | Tommy Byrne | 81 | NYA |
| +052+ | 2.56 | Dave Koslo | 111.7 | SFN |
| +054+ | 2.54 | Steve Gromek | 95.3 | CLE |
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