| Starter | Tm | Tier | Game |
|---|---|---|---|
| Bob Lemon | CLE | 8.66 | 194809080_DET_CLE |
| Johnny Schmitz | CHN | 6.8 | 194809080_CHN_SLN |
| Harry Brecheen | SLN | 5.34 | 194809090_CHN_SLN |
| Joe Dobson | BOS | 2.49 | 194809080_NYA_BOS |
| Hal Newhouser | DET | 2.47 | 194809090_DET_CLE |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Sid Hudson | MIN | -5.27 | 194809101_OAK_MIN |
| Bill Kennedy | BAL | -2.34 | 194809091_BAL_CHA |
| Marino Pieretti | CHA | -1.64 | 194809091_BAL_CHA |
| Phil Marchildon | OAK | -0.92 | 194809102_OAK_MIN |
| Howie Fox | CIN | -0.54 | 194809080_PIT_CIN |
Based on accumulated WAA for this season up to 1948-09-10.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +005+ | 8.35 | Johnny Schmitz | 225.3 | CHN |
| +006+ | 8.32 | Bob Lemon | 256.3 | CLE |
| +007+ | 7.97 | Dutch Leonard | 201.7 | PHI |
| +009+ | 7.9 | Johnny Sain | 257.7 | ATL |
| +013+ | 7.56 | Harry Brecheen | 199 | SLN |
| +019+ | 5.72 | Gene Bearden | 175.7 | CLE |
| +022+ | 4.91 | Bob Chesnes | 155.3 | PIT |
| +026+ | 4.56 | Robin Roberts | 118.7 | PHI |
| +027+ | 4.49 | Preacher Roe | 149.3 | LAN |
| +028+ | 4.35 | Rex Barney | 201 | LAN |
| +029+ | 4.27 | Joe Dobson | 215.3 | BOS |
| +034+ | 3.98 | Mel Parnell | 177.3 | BOS |
| +035+ | 3.85 | Hal Newhouser | 217.3 | DET |
| +040+ | 3.32 | Dizzy Trout | 163.7 | DET |
| +041+ | 3.23 | Elmer Riddle | 184 | PIT |
| +044+ | 3.08 | Vic Raschi | 196 | NYA |
| +045+ | 3.06 | Eddie Lopat | 202.3 | NYA |
| +047+ | 3.01 | Johnny Vander Meer | 191 | CIN |
| +049+ | 2.92 | Sheldon Jones | 179.7 | SFN |
| +052+ | 2.81 | Walt Masterson | 171.7 | MIN |
| +054+ | 2.76 | Andy Hansen | 83.7 | SFN |
| +055+ | 2.74 | Satchel Paige | 66.7 | CLE |
| +057+ | 2.64 | Steve Gromek | 107.7 | CLE |
| +058+ | 2.57 | Spec Shea | 155.7 | NYA |
| +060+ | 2.54 | Ralph Branca | 186.3 | LAN |
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