| Starter | Tm | Tier | Game |
|---|---|---|---|
| Bob Lemon | CLE | 7.64 | 194809112_BAL_CLE |
| Johnny Sain | ATL | 7.61 | 194809111_ATL_PHI |
| Harry Brecheen | SLN | 5.34 | 194809090_CHN_SLN |
| Bob Chesnes | PIT | 2.82 | 194809110_PIT_CHN |
| 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 |
| Billy Pierce | DET | -0.59 | 194809112_CHA_DET |
Based on accumulated WAA for this season up to 1948-09-11.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +004+ | 8.96 | Bob Lemon | 265.3 | CLE |
| +006+ | 8.54 | Johnny Sain | 266.7 | ATL |
| +007+ | 8.34 | Johnny Schmitz | 225.3 | CHN |
| +009+ | 7.97 | Dutch Leonard | 201.7 | PHI |
| +013+ | 7.55 | Harry Brecheen | 199 | SLN |
| +018+ | 5.72 | Gene Bearden | 175.7 | CLE |
| +026+ | 4.63 | Mel Parnell | 186.3 | BOS |
| +027+ | 4.49 | Preacher Roe | 149.3 | LAN |
| +030+ | 4.34 | Rex Barney | 201 | LAN |
| +031+ | 4.26 | Joe Dobson | 215.3 | BOS |
| +033+ | 3.84 | Hal Newhouser | 217.3 | DET |
| +034+ | 3.71 | Bob Chesnes | 160.3 | PIT |
| +038+ | 3.42 | Robin Roberts | 124.3 | PHI |
| +039+ | 3.32 | Elmer Riddle | 185 | PIT |
| +041+ | 3.31 | Dizzy Trout | 163.7 | DET |
| +043+ | 3.28 | Steve Gromek | 116.7 | CLE |
| +045+ | 3.16 | Johnny Vander Meer | 197 | CIN |
| +047+ | 3.07 | Vic Raschi | 196 | NYA |
| +048+ | 3.06 | Larry Jansen | 256 | SFN |
| +049+ | 3.05 | Eddie Lopat | 202.3 | NYA |
| +050+ | 2.9 | Sheldon Jones | 179.7 | SFN |
| +052+ | 2.81 | Walt Masterson | 171.7 | MIN |
| +055+ | 2.74 | Satchel Paige | 66.7 | CLE |
| +057+ | 2.63 | Warren Spahn | 224 | ATL |
| +059+ | 2.56 | Spec Shea | 155.7 | NYA |
_