| Starter | Tm | Tier | Game |
|---|---|---|---|
| Sal Maglie | SFN | 5.64 | 195106220_SFN_CHN |
| Ralph Branca | LAN | 4.5 | 195106220_LAN_PIT |
| Bob Feller | CLE | 4.22 | 195106220_CLE_NYA |
| Randy Gumpert | CHA | 2.72 | 195106220_CHA_BOS |
| Robin Roberts | PHI | 1.85 | 195106210_PHI_PIT |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Al Widmar | BAL | -3 | 195106220_BAL_OAK |
| Sheldon Jones | SFN | -2.44 | 195106210_SFN_SLN |
| Alex Kellner | OAK | -1.79 | 195106220_BAL_OAK |
| Ray Scarborough | BOS | -1.28 | 195106230_CHA_BOS |
| Bill Werle | PIT | -1.28 | 195106230_LAN_PIT |
Based on accumulated WAA for this season up to 1951-06-23.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +002+ | 5.36 | Warren Spahn | 123 | ATL |
| +003+ | 4.88 | Sal Maglie | 124 | SFN |
| +005+ | 4.03 | Eddie Lopat | 104.7 | NYA |
| +009+ | 3.4 | Bob Feller | 102 | CLE |
| +010+ | 3.3 | Gerry Staley | 103 | SLN |
| +011+ | 3.24 | Vern Bickford | 109.7 | ATL |
| +012+ | 3.16 | Ralph Branca | 66.3 | LAN |
| +014+ | 3.08 | Preacher Roe | 114 | LAN |
| +018+ | 2.61 | Joe Presko | 77 | SLN |
| +025+ | 2.46 | Robin Roberts | 117.7 | PHI |
| +026+ | 2.41 | Vic Raschi | 111.7 | NYA |
| +032+ | 2.34 | Allie Reynolds | 89.7 | NYA |
| +035+ | 2.18 | Randy Gumpert | 66.3 | CHA |
| +036+ | 2.18 | Bob Cain | 82.3 | TOT |
| +040+ | 2.08 | Bubba Church | 92.7 | PHI |
| +043+ | 1.91 | Don Newcombe | 101.7 | LAN |
| +044+ | 1.9 | Harry Brecheen | 53 | SLN |
| +046+ | 1.84 | Larry Jansen | 123 | SFN |
| +048+ | 1.67 | Mike Garcia | 86.7 | CLE |
| +049+ | 1.67 | Connie Marrero | 84.7 | MIN |
| +051+ | 1.59 | Russ Meyer | 85.7 | PHI |
| +052+ | 1.57 | Ewell Blackwell | 105 | CIN |
| +061+ | 1.4 | Saul Rogovin | 75 | TOT |
| +062+ | 1.39 | Luis Aloma | 21 | CHA |
| +064+ | 1.34 | Bob Lemon | 106.7 | CLE |
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