| Starter | Tm | Tier | Game |
|---|---|---|---|
| Bob Lemon | CLE | 8.66 | 194809080_DET_CLE |
| Dutch Leonard | PHI | 7.6 | 194809071_SFN_PHI |
| Johnny Schmitz | CHN | 6.8 | 194809080_CHN_SLN |
| Harry Brecheen | SLN | 5.34 | 194809090_CHN_SLN |
| Joe Dobson | BOS | 2.49 | 194809080_NYA_BOS |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Early Wynn | MIN | -2.81 | 194809081_OAK_MIN |
| Bill Kennedy | BAL | -2.34 | 194809091_BAL_CHA |
| Marino Pieretti | CHA | -1.64 | 194809091_BAL_CHA |
| Howie Fox | CIN | -0.54 | 194809080_PIT_CIN |
| Alex Kellner | OAK | -0.31 | 194809081_OAK_MIN |
Based on accumulated WAA for this season up to 1948-09-09.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +005+ | 8.3 | Johnny Schmitz | 225.3 | CHN |
| +006+ | 8.26 | Bob Lemon | 256.3 | CLE |
| +007+ | 7.92 | Dutch Leonard | 201.7 | PHI |
| +008+ | 7.84 | Johnny Sain | 257.7 | ATL |
| +012+ | 7.51 | Harry Brecheen | 199 | SLN |
| +021+ | 5.04 | Gene Bearden | 166.7 | CLE |
| +023+ | 4.88 | Bob Chesnes | 155.3 | PIT |
| +025+ | 4.53 | Robin Roberts | 118.7 | PHI |
| +027+ | 4.46 | Preacher Roe | 149.3 | LAN |
| +028+ | 4.3 | Rex Barney | 201 | LAN |
| +030+ | 4.23 | Joe Dobson | 215.3 | BOS |
| +034+ | 3.96 | Mel Parnell | 177.3 | BOS |
| +035+ | 3.78 | Hal Newhouser | 217.3 | DET |
| +038+ | 3.62 | Vic Raschi | 191 | NYA |
| +044+ | 3.19 | Elmer Riddle | 184 | PIT |
| +046+ | 3.03 | Eddie Lopat | 202.3 | NYA |
| +048+ | 2.99 | Ned Garver | 161.7 | BAL |
| +049+ | 2.96 | Johnny Vander Meer | 191 | CIN |
| +050+ | 2.88 | Sheldon Jones | 179.7 | SFN |
| +054+ | 2.76 | Walt Masterson | 171.7 | MIN |
| +055+ | 2.74 | Andy Hansen | 83.7 | SFN |
| +056+ | 2.73 | Satchel Paige | 66.7 | CLE |
| +058+ | 2.61 | Steve Gromek | 107.7 | CLE |
| +060+ | 2.49 | Ralph Branca | 186.3 | LAN |
| +064+ | 2.27 | Spec Shea | 150.7 | NYA |
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