| Starter | Tm | Tier | Game |
|---|---|---|---|
| Warren Spahn | ATL | 9.37 | 195106240_ATL_SLN |
| Eddie Lopat | NYA | 5.89 | 195106260_NYA_MIN |
| Sal Maglie | SFN | 5.16 | 195106260_LAN_SFN |
| Bob Feller | CLE | 3.81 | 195106260_BAL_CLE |
| Gerry Staley | SLN | 3.39 | 195106260_CHN_SLN |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Bill Wight | BOS | -2.87 | 195106242_CHA_BOS |
| Dick Starr | BAL | -2.59 | 195106241_BAL_OAK |
| Bobby Shantz | OAK | -1.51 | 195106242_BAL_OAK |
| Cliff Chambers | SLN | -1.12 | 195106240_ATL_SLN |
| Jim Hearn | SFN | -0.82 | 195106270_LAN_SFN |
Based on accumulated WAA for this season up to 1951-06-27.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +002+ | 5.85 | Sal Maglie | 133 | SFN |
| +003+ | 5.13 | Warren Spahn | 131.3 | ATL |
| +009+ | 3.55 | Vern Bickford | 115 | ATL |
| +010+ | 3.51 | Ralph Branca | 69 | LAN |
| +011+ | 3.4 | Allie Reynolds | 99.7 | NYA |
| +012+ | 3.39 | Eddie Lopat | 108 | NYA |
| +013+ | 3.3 | Bob Feller | 109 | CLE |
| +016+ | 3.06 | Preacher Roe | 121 | LAN |
| +017+ | 3.05 | Bubba Church | 101.7 | PHI |
| +020+ | 2.72 | Robin Roberts | 125.7 | PHI |
| +023+ | 2.66 | Vic Raschi | 119.7 | NYA |
| +026+ | 2.49 | Gerry Staley | 106 | SLN |
| +027+ | 2.47 | Harry Brecheen | 59 | SLN |
| +028+ | 2.45 | Joe Presko | 80 | SLN |
| +030+ | 2.39 | Mike Garcia | 95.7 | CLE |
| +042+ | 2.07 | Don Newcombe | 110.7 | LAN |
| +043+ | 2.04 | Randy Gumpert | 70.7 | CHA |
| +045+ | 1.98 | Connie Marrero | 93.7 | MIN |
| +047+ | 1.92 | Larry Jansen | 123 | SFN |
| +050+ | 1.84 | Russ Meyer | 91.7 | PHI |
| +052+ | 1.72 | Saul Rogovin | 82 | TOT |
| +054+ | 1.67 | Harry Perkowski | 53.7 | CIN |
| +055+ | 1.66 | Ken Raffensberger | 103 | CIN |
| +056+ | 1.64 | Ewell Blackwell | 105 | CIN |
| +058+ | 1.63 | Bob Cain | 86.7 | TOT |
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