| Starter | Tm | Tier | Game |
|---|---|---|---|
| Johnny Sain | ATL | 8.6 | 194809211_SLN_ATL |
| Johnny Schmitz | CHN | 6.76 | 194809212_CHN_SFN |
| Hal Newhouser | DET | 2.27 | 194809220_OAK_DET |
| Ray Scarborough | MIN | 2.06 | 194809230_MIN_BAL |
| Mel Parnell | BOS | 1.85 | 194809210_BOS_DET |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Sid Hudson | MIN | -6.52 | 194809220_MIN_BAL |
| Curt Simmons | PHI | -1.19 | 194809211_CIN_PHI |
| Dutch McCall | CHN | -0.81 | 194809222_CHN_SFN |
| Frank Papish | CHA | -0.81 | 194809230_NYA_CHA |
| Phil Marchildon | OAK | -0.59 | 194809220_OAK_DET |
Based on accumulated WAA for this season up to 1948-09-23.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +005+ | 9.5 | Johnny Sain | 293.7 | ATL |
| +006+ | 9.05 | Harry Brecheen | 215 | SLN |
| +008+ | 8.71 | Johnny Schmitz | 242 | CHN |
| +010+ | 8.48 | Bob Lemon | 279 | CLE |
| +018+ | 6.1 | Gene Bearden | 193.7 | CLE |
| +021+ | 5.6 | Hal Newhouser | 246.3 | DET |
| +022+ | 5.45 | Mel Parnell | 202.3 | BOS |
| +023+ | 5.22 | Preacher Roe | 169.3 | LAN |
| +031+ | 4.43 | Ray Scarborough | 167.3 | MIN |
| +033+ | 4.24 | Robin Roberts | 141.3 | PHI |
| +034+ | 4.22 | Joe Dobson | 239.7 | BOS |
| +036+ | 4.13 | Rex Barney | 224 | LAN |
| +038+ | 3.83 | Johnny Vander Meer | 215 | CIN |
| +039+ | 3.8 | Steve Gromek | 127 | CLE |
| +042+ | 3.64 | Warren Spahn | 245 | ATL |
| +046+ | 3.3 | Larry Jansen | 270 | SFN |
| +047+ | 3.22 | Bob Chesnes | 177.3 | PIT |
| +048+ | 3.21 | Vic Raschi | 213.3 | NYA |
| +051+ | 3.08 | Joe Hatten | 206.3 | LAN |
| +052+ | 3.03 | Dizzy Trout | 178 | DET |
| +054+ | 2.85 | Elmer Riddle | 191 | PIT |
| +055+ | 2.81 | Tommy Byrne | 122.3 | NYA |
| +060+ | 2.7 | Bob Feller | 260 | CLE |
| +061+ | 2.67 | Spec Shea | 155.7 | NYA |
| +062+ | 2.66 | Satchel Paige | 72.7 | CLE |
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