| Starter | Tm | Tier | Game |
|---|---|---|---|
| Johnny Sain | ATL | 7.9 | 194809170_PIT_ATL |
| Gene Bearden | CLE | 3.05 | 194809160_MIN_CLE |
| Mel Parnell | BOS | 1.94 | 194809160_BOS_BAL |
| Dizzy Trout | DET | 1.63 | 194809162_NYA_DET |
| Rex Barney | LAN | 1.55 | 194809170_SLN_LAN |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Sid Hudson | MIN | -6.65 | 194809160_MIN_CLE |
| Herm Wehmeier | CIN | -2.17 | 194809160_CIN_LAN |
| Bill Kennedy | BAL | -1.8 | 194809170_BOS_BAL |
| Al Gettel | CHA | -1.13 | 194809150_BOS_CHA |
| Red Munger | SLN | -0.81 | 194809150_SLN_PHI |
Based on accumulated WAA for this season up to 1948-09-17.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +004+ | 9.21 | Johnny Sain | 284.7 | ATL |
| +006+ | 8.47 | Harry Brecheen | 208 | SLN |
| +007+ | 8.41 | Johnny Schmitz | 233.3 | CHN |
| +008+ | 8.4 | Dutch Leonard | 210.7 | PHI |
| +009+ | 8.32 | Bob Lemon | 271.3 | CLE |
| +019+ | 6.05 | Gene Bearden | 187 | CLE |
| +020+ | 5.74 | Ray Scarborough | 157.7 | MIN |
| +026+ | 4.75 | Mel Parnell | 193.3 | BOS |
| +027+ | 4.71 | Hal Newhouser | 228.3 | DET |
| +030+ | 4.59 | Preacher Roe | 158.7 | LAN |
| +031+ | 4.52 | Joe Dobson | 232.3 | BOS |
| +034+ | 4.26 | Rex Barney | 217 | LAN |
| +037+ | 3.76 | Robin Roberts | 132.3 | PHI |
| +042+ | 3.52 | Vic Raschi | 204.3 | NYA |
| +043+ | 3.5 | Johnny Vander Meer | 206 | CIN |
| +044+ | 3.4 | Bob Chesnes | 169.3 | PIT |
| +045+ | 3.14 | Dizzy Trout | 177 | DET |
| +046+ | 3.08 | Warren Spahn | 233 | ATL |
| +047+ | 3.02 | Sheldon Jones | 191.3 | SFN |
| +050+ | 2.92 | Steve Gromek | 118 | CLE |
| +051+ | 2.85 | Eddie Lopat | 208.3 | NYA |
| +052+ | 2.77 | Larry Jansen | 261 | SFN |
| +053+ | 2.75 | Elmer Riddle | 191 | PIT |
| +057+ | 2.64 | Satchel Paige | 72.7 | CLE |
| +059+ | 2.61 | Spec Shea | 155.7 | NYA |
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