| Starter | Tm | Tier | Game |
|---|---|---|---|
| Dutch Leonard | PHI | 7.6 | 194809071_SFN_PHI |
| Johnny Sain | ATL | 6.04 | 194809062_LAN_ATL |
| Gene Bearden | CLE | 2.71 | 194809061_CLE_CHA |
| Bob Chesnes | PIT | 2.21 | 194809061_SLN_PIT |
| Eddie Lopat | NYA | 1.66 | 194809062_OAK_NYA |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Sid Hudson | MIN | -4.8 | 194809050_MIN_NYA |
| Herm Wehmeier | CIN | -2.01 | 194809062_CHN_CIN |
| Clint Hartung | SFN | -1.33 | 194809062_SFN_PHI |
| Curt Simmons | PHI | -1.29 | 194809062_SFN_PHI |
| Al Gettel | CHA | -1.11 | 194809050_DET_CHA |
Based on accumulated WAA for this season up to 1948-09-07.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +005+ | 8.65 | Bob Lemon | 250 | CLE |
| +006+ | 7.95 | Dutch Leonard | 201.7 | PHI |
| +008+ | 7.88 | Johnny Sain | 257.7 | ATL |
| +010+ | 7.44 | Johnny Schmitz | 216.3 | CHN |
| +014+ | 6.68 | Harry Brecheen | 190 | SLN |
| +018+ | 5.14 | Gene Bearden | 166.7 | CLE |
| +020+ | 5.09 | Ray Scarborough | 149.7 | MIN |
| +022+ | 4.9 | Bob Chesnes | 155.3 | PIT |
| +025+ | 4.55 | Robin Roberts | 118.7 | PHI |
| +026+ | 4.48 | Preacher Roe | 149.3 | LAN |
| +027+ | 4.47 | Joe Dobson | 208.7 | BOS |
| +033+ | 3.98 | Mel Parnell | 177.3 | BOS |
| +037+ | 3.62 | Vic Raschi | 191 | NYA |
| +039+ | 3.55 | Hal Newhouser | 209.3 | DET |
| +040+ | 3.47 | Rex Barney | 192 | LAN |
| +043+ | 3.22 | Spec Shea | 149.7 | NYA |
| +045+ | 3.15 | Satchel Paige | 64 | CLE |
| +048+ | 3.02 | Ned Garver | 161.7 | BAL |
| +049+ | 2.99 | Johnny Vander Meer | 191 | CIN |
| +052+ | 2.78 | Walt Masterson | 171.7 | MIN |
| +053+ | 2.75 | Andy Hansen | 83.7 | SFN |
| +055+ | 2.69 | Eddie Lopat | 196.7 | NYA |
| +056+ | 2.68 | Steve Gromek | 107.7 | CLE |
| +059+ | 2.57 | Elmer Riddle | 175 | PIT |
| +062+ | 2.54 | Sheldon Jones | 173.7 | SFN |
_