| Starter | Tm | Tier | Game |
|---|---|---|---|
| Eddie Lopat | NYA | 12.89 | 195105140_CLE_NYA |
| Bob Feller | CLE | 4.25 | 195105131_CLE_CHA |
| Bob Schultz | CHN | 3.19 | 195105131_CHN_PIT |
| Hal Newhouser | DET | 2.77 | 195105150_DET_MIN |
| Ken Holcombe | CHA | 2.73 | 195105131_CLE_CHA |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Al Widmar | BAL | -4.55 | 195105132_DET_BAL |
| Allie Reynolds | NYA | -2.22 | 195105131_NYA_OAK |
| Willie Ramsdell | CIN | -1 | 195105132_SLN_CIN |
| Bill Wight | BOS | -1 | 195105140_BOS_MIN |
| Lou Brissie | CLE | -0.82 | 195105140_CLE_NYA |
Based on accumulated WAA for this season up to 1951-05-15.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +001+ | 4.03 | Eddie Lopat | 54 | NYA |
| +002+ | 3.08 | Warren Spahn | 62.7 | ATL |
| +003+ | 2.45 | Bob Feller | 36 | CLE |
| +004+ | 2.19 | Vern Bickford | 55.3 | ATL |
| +006+ | 2.1 | Bob Schultz | 38.7 | CHN |
| +005+ | 2.1 | Connie Marrero | 36.3 | MIN |
| +008+ | 1.99 | Sal Maglie | 57.3 | SFN |
| +009+ | 1.93 | Gerry Staley | 43.3 | SLN |
| +017+ | 1.67 | Mel Queen | 44 | PIT |
| +021+ | 1.61 | Ewell Blackwell | 53.3 | CIN |
| +022+ | 1.61 | Carl Scheib | 32 | OAK |
| +024+ | 1.58 | Johnny Klippstein | 15.3 | CHN |
| +025+ | 1.5 | Hal Newhouser | 45.7 | DET |
| +026+ | 1.49 | Larry Jansen | 52.3 | SFN |
| +029+ | 1.35 | Howie Fox | 46.3 | CIN |
| +032+ | 1.28 | Preacher Roe | 53 | LAN |
| XXXXX | 1.11 | Vic Raschi | 46 | NYA |
| XXXXX | 1.05 | Tom Poholsky | 47 | SLN |
| XXXXX | 1.04 | Chuck Stobbs | 29.7 | BOS |
| XXXXX | 1.02 | Ken Holcombe | 19.7 | CHA |
| XXXXX | 0.99 | Joe Dobson | 26 | CHA |
| XXXXX | 0.84 | Mel Parnell | 40.3 | BOS |
| XXXXX | 0.72 | Alex Kellner | 41.7 | OAK |
| XXXXX | 0.71 | Al Sima | 30.7 | MIN |
| XXXXX | 0.7 | Max Surkont | 46 | ATL |
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