| Starter | Tm | Tier | Game |
|---|---|---|---|
| Bob Feller | CLE | 6.89 | 195106031_NYA_CLE |
| Warren Spahn | ATL | 5.41 | 195106020_CHN_ATL |
| Gerry Staley | SLN | 4.86 | 195106010_SLN_PHI |
| Sal Maglie | SFN | 4.51 | 195106010_PIT_SFN |
| Mickey McDermott | BOS | 2.82 | 195106010_BOS_BAL |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Sid Hudson | MIN | -3.65 | 195106032_MIN_DET |
| Jack Kramer | NYA | -1.8 | 195106020_NYA_DET |
| Lou Brissie | CLE | -1.7 | 195106020_MIN_CLE |
| Willie Ramsdell | CIN | -1.17 | 195106020_CIN_LAN |
| Lou Sleater | BAL | -1 | 195106031_OAK_BAL |
Based on accumulated WAA for this season up to 1951-06-03.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +001+ | 4.29 | Sal Maglie | 92 | SFN |
| +002+ | 4.04 | Bob Feller | 69.3 | CLE |
| +003+ | 3.59 | Vern Bickford | 91 | ATL |
| +006+ | 3.41 | Eddie Lopat | 75.7 | NYA |
| +009+ | 3.12 | Warren Spahn | 88.3 | ATL |
| +011+ | 2.76 | Gerry Staley | 76.3 | SLN |
| +016+ | 2.4 | Preacher Roe | 86 | LAN |
| +018+ | 2.13 | Ralph Branca | 37.3 | LAN |
| +019+ | 2.03 | Harry Brecheen | 38.3 | SLN |
| +021+ | 1.92 | Russ Meyer | 58.3 | PHI |
| +022+ | 1.91 | Hal Newhouser | 69.7 | DET |
| +023+ | 1.89 | Mickey McDermott | 57.3 | BOS |
| +024+ | 1.88 | Howie Fox | 70 | CIN |
| +025+ | 1.83 | Early Wynn | 70.3 | CLE |
| +026+ | 1.82 | Carl Scheib | 56 | OAK |
| +027+ | 1.81 | Johnny Klippstein | 40 | CHN |
| +031+ | 1.73 | Larry Jansen | 83.3 | SFN |
| +035+ | 1.69 | Randy Gumpert | 36.7 | CHA |
| +034+ | 1.69 | Ewell Blackwell | 83 | CIN |
| +043+ | 1.59 | Mel Parnell | 67 | BOS |
| +048+ | 1.46 | Bob Lemon | 75 | CLE |
| +050+ | 1.44 | Mike Garcia | 56 | CLE |
| +049+ | 1.44 | Vic Raschi | 85.3 | NYA |
| +052+ | 1.37 | Paul Minner | 54 | CHN |
| +055+ | 1.28 | Bob Cain | 51.3 | TOT |
_