| Starter | Tm | Tier | Game |
|---|---|---|---|
| Johnny Sain | ATL | 8.6 | 194809211_SLN_ATL |
| Johnny Schmitz | CHN | 7.27 | 194809190_CHN_LAN |
| Harry Brecheen | SLN | 7.08 | 194809192_SLN_SFN |
| Dutch Leonard | PHI | 6.92 | 194809191_PIT_PHI |
| Bob Lemon | CLE | 6.24 | 194809191_OAK_CLE |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Mickey Harris | BOS | -2.95 | 194809200_BOS_DET |
| Bill Kennedy | BAL | -2.5 | 194809200_NYA_BAL |
| Marino Pieretti | CHA | -1.63 | 194809192_MIN_CHA |
| Mel Queen | PIT | -1.57 | 194809192_PIT_PHI |
| Curt Simmons | PHI | -1.19 | 194809211_CIN_PHI |
Based on accumulated WAA for this season up to 1948-09-21.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +005+ | 9.5 | Johnny Sain | 293.7 | ATL |
| +006+ | 9.05 | Harry Brecheen | 215 | SLN |
| +007+ | 8.71 | Johnny Schmitz | 242 | CHN |
| +010+ | 8.47 | Bob Lemon | 279 | CLE |
| +011+ | 8.23 | Dutch Leonard | 221.7 | PHI |
| +019+ | 6.09 | Gene Bearden | 193.7 | CLE |
| +021+ | 5.43 | Mel Parnell | 202.3 | BOS |
| +023+ | 5.06 | Preacher Roe | 167.7 | LAN |
| +024+ | 5.02 | Ray Scarborough | 160.3 | MIN |
| +026+ | 4.94 | Hal Newhouser | 237.3 | DET |
| +030+ | 4.64 | Joe Dobson | 233.3 | BOS |
| +033+ | 4.23 | Robin Roberts | 141.3 | PHI |
| +035+ | 4.13 | Rex Barney | 224 | LAN |
| +038+ | 3.79 | Steve Gromek | 127 | CLE |
| +039+ | 3.77 | Warren Spahn | 242 | ATL |
| +043+ | 3.58 | Johnny Vander Meer | 206 | CIN |
| +046+ | 3.3 | Larry Jansen | 270 | SFN |
| +047+ | 3.22 | Bob Chesnes | 177.3 | PIT |
| +048+ | 3.19 | Vic Raschi | 213.3 | NYA |
| +051+ | 3.08 | Sheldon Jones | 191.3 | SFN |
| +052+ | 3.04 | Andy Hansen | 92.7 | SFN |
| +053+ | 3.03 | Dizzy Trout | 178 | DET |
| +056+ | 2.85 | Elmer Riddle | 191 | PIT |
| +059+ | 2.68 | Joe Hatten | 200 | LAN |
| +062+ | 2.66 | Satchel Paige | 72.7 | CLE |
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