| Starter | Tm | Tier | Game |
|---|---|---|---|
| Vern Bickford | ATL | 3.98 | 195107210_PIT_ATL |
| Bob Feller | CLE | 3.82 | 195107210_OAK_CLE |
| Bubba Church | PHI | 2.38 | 195107221_CHN_PHI |
| Saul Rogovin | CHA | 2.21 | 195107221_MIN_CHA |
| Allie Reynolds | NYA | 1.99 | 195107221_NYA_BAL |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Alex Kellner | OAK | -4.06 | 195107222_OAK_CLE |
| Ray Scarborough | BOS | -1.46 | 195107210_BOS_DET |
| Murry Dickson | PIT | -1.12 | 195107222_PIT_ATL |
| Jim Hearn | SFN | -0.91 | 195107222_CIN_SFN |
| Tommy Byrne | BAL | -0.69 | 195107222_NYA_BAL |
Based on accumulated WAA for this season up to 1951-07-23.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +002+ | 5.23 | Mike Garcia | 137.7 | CLE |
| +006+ | 4.81 | Warren Spahn | 162.3 | ATL |
| +007+ | 4.58 | Bob Feller | 152.3 | CLE |
| +010+ | 4.34 | Preacher Roe | 155 | LAN |
| +012+ | 4.14 | Sal Maglie | 168 | SFN |
| +015+ | 3.87 | Allie Reynolds | 136.7 | NYA |
| +016+ | 3.86 | Robin Roberts | 171.7 | PHI |
| +017+ | 3.8 | Eddie Lopat | 136 | NYA |
| +021+ | 3.57 | Don Newcombe | 142.7 | LAN |
| +025+ | 3.42 | Vern Bickford | 135 | ATL |
| +028+ | 3.25 | Bubba Church | 148.3 | PHI |
| +030+ | 3.05 | Mickey McDermott | 115.7 | BOS |
| +031+ | 2.94 | Saul Rogovin | 132.7 | TOT |
| +032+ | 2.89 | Howie Fox | 130.7 | CIN |
| +034+ | 2.72 | Gerry Staley | 148.7 | SLN |
| +040+ | 2.46 | Larry Jansen | 168 | SFN |
| +042+ | 2.43 | Harry Brecheen | 77.7 | SLN |
| +043+ | 2.41 | Sam Zoldak | 60.7 | OAK |
| +044+ | 2.39 | Mel Parnell | 128.3 | BOS |
| +049+ | 2.26 | Early Wynn | 154.3 | CLE |
| +050+ | 2.25 | Fred Hutchinson | 104.3 | DET |
| +052+ | 2.18 | Harry Perkowski | 77 | CIN |
| +055+ | 2.1 | Connie Marrero | 123 | MIN |
| +059+ | 2.05 | Max Surkont | 149 | ATL |
| +061+ | 1.98 | Vic Raschi | 153.3 | NYA |
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