| Starter | Tm | Tier | Game |
|---|---|---|---|
| Harry Brecheen | SLN | 6.8 | 194808291_LAN_SLN |
| Johnny Schmitz | CHN | 5.91 | 194808270_ATL_CHN |
| Bob Lemon | CLE | 5.74 | 194808291_CLE_MIN |
| Johnny Sain | ATL | 4.56 | 194808270_ATL_CHN |
| Bob Chesnes | PIT | 1.71 | 194808291_ATL_PIT |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Early Wynn | MIN | -3.27 | 194808292_CLE_MIN |
| Mickey Harris | BOS | -2.23 | 194808292_BAL_BOS |
| Bill Kennedy | BAL | -2.21 | 194808280_BAL_OAK |
| Herm Wehmeier | CIN | -2.09 | 194808292_SFN_CIN |
| Dutch McCall | CHN | -1.74 | 194808291_PHI_CHN |
Based on accumulated WAA for this season up to 1948-08-29.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +005+ | 8.07 | Dutch Leonard | 185.7 | PHI |
| +006+ | 7.86 | Bob Lemon | 240 | CLE |
| +007+ | 7.15 | Johnny Schmitz | 209.3 | CHN |
| +011+ | 6.66 | Harry Brecheen | 182 | SLN |
| +012+ | 6.47 | Johnny Sain | 233.7 | ATL |
| +017+ | 5.37 | Ray Scarborough | 149.3 | MIN |
| +020+ | 4.94 | Ted Wilks | 112 | SLN |
| +023+ | 4.54 | Gene Bearden | 152.7 | CLE |
| +024+ | 4.37 | Bob Chesnes | 137.3 | PIT |
| +025+ | 4.27 | Robin Roberts | 101.7 | PHI |
| +029+ | 3.9 | Mel Parnell | 159.3 | BOS |
| +031+ | 3.83 | Joe Dobson | 199.7 | BOS |
| +033+ | 3.6 | Dizzy Trout | 156.3 | DET |
| +035+ | 3.59 | Vic Raschi | 173 | NYA |
| +039+ | 3.36 | Rex Barney | 175.7 | LAN |
| +040+ | 3.3 | Hal Newhouser | 192.3 | DET |
| +044+ | 3.24 | Preacher Roe | 128.3 | LAN |
| +046+ | 3.06 | Eddie Lopat | 187 | NYA |
| +048+ | 2.89 | Elmer Riddle | 165.7 | PIT |
| +050+ | 2.75 | Satchel Paige | 50.7 | CLE |
| +051+ | 2.67 | Ned Garver | 151.7 | BAL |
| +056+ | 2.51 | Steve Gromek | 103 | CLE |
| +057+ | 2.4 | Bob Porterfield | 46.3 | NYA |
| +061+ | 2.27 | Nels Potter | 98.3 | TOT |
| +062+ | 2.23 | Dick Fowler | 151 | OAK |
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