| Starter | Tm | Tier | Game |
|---|---|---|---|
| Gerry Staley | SLN | 9.54 | 195105121_SLN_CIN |
| Warren Spahn | ATL | 4.78 | 195105120_LAN_ATL |
| Connie Marrero | MIN | 4.53 | 195105120_BOS_MIN |
| Bob Feller | CLE | 4.25 | 195105131_CLE_CHA |
| Bob Schultz | CHN | 3.19 | 195105131_CHN_PIT |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Al Widmar | BAL | -4.55 | 195105132_DET_BAL |
| Allie Reynolds | NYA | -2.22 | 195105131_NYA_OAK |
| Ken Raffensberger | CIN | -1.78 | 195105121_SLN_CIN |
| Jim Hearn | SFN | -0.89 | 195105120_PHI_SFN |
| Cloyd Boyer | SLN | -0.57 | 195105122_SLN_CIN |
Based on accumulated WAA for this season up to 1951-05-13.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +001+ | 3.87 | Eddie Lopat | 45 | NYA |
| +002+ | 2.94 | Warren Spahn | 62.7 | ATL |
| +003+ | 2.36 | Bob Feller | 36 | CLE |
| +004+ | 2.07 | Connie Marrero | 36.3 | MIN |
| +005+ | 2.03 | Bob Schultz | 38.7 | CHN |
| +006+ | 1.87 | Sal Maglie | 57.3 | SFN |
| +007+ | 1.85 | Gerry Staley | 43.3 | SLN |
| +017+ | 1.59 | Mel Queen | 44 | PIT |
| +018+ | 1.56 | Carl Scheib | 32 | OAK |
| +019+ | 1.56 | Johnny Klippstein | 15.3 | CHN |
| +020+ | 1.55 | Vern Bickford | 47.3 | ATL |
| +024+ | 1.39 | Hal Newhouser | 36.7 | DET |
| +025+ | 1.37 | Larry Jansen | 52.3 | SFN |
| +028+ | 1.27 | Howie Fox | 46.3 | CIN |
| XXXXX | 1.18 | Preacher Roe | 53 | LAN |
| XXXXX | 1.05 | Chuck Stobbs | 29.7 | BOS |
| XXXXX | 1.03 | Vic Raschi | 46 | NYA |
| XXXXX | 1.01 | Cal McLish | 20.3 | CHN |
| XXXXX | 0.99 | Ken Holcombe | 19.7 | CHA |
| XXXXX | 0.95 | Joe Dobson | 26 | CHA |
| XXXXX | 0.95 | Sandy Consuegra | 31.3 | MIN |
| XXXXX | 0.94 | George Spencer | 22.3 | SFN |
| XXXXX | 0.89 | Tom Poholsky | 38 | SLN |
| XXXXX | 0.85 | Mel Parnell | 40.3 | BOS |
| XXXXX | 0.75 | Julio Moreno | 12 | MIN |
_