| Starter | Tm | Tier | Game |
|---|---|---|---|
| Warren Spahn | ATL | 5.59 | 195106200_ATL_CHN |
| Eddie Lopat | NYA | 4 | 195106200_CHA_NYA |
| Preacher Roe | LAN | 3.21 | 195106210_LAN_CIN |
| Bob Lemon | CLE | 2.05 | 195106190_CLE_BOS |
| Robin Roberts | PHI | 1.85 | 195106210_PHI_PIT |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Sid Hudson | MIN | -6.42 | 195106200_BAL_MIN |
| Sheldon Jones | SFN | -2.44 | 195106210_SFN_SLN |
| Cliff Chambers | SLN | -1.91 | 195106190_SFN_SLN |
| Bobby Shantz | OAK | -1.85 | 195106202_DET_OAK |
| Bill Wight | BOS | -1.37 | 195106200_CLE_BOS |
Based on accumulated WAA for this season up to 1951-06-21.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +001+ | 5.3 | Warren Spahn | 123 | ATL |
| +003+ | 5.14 | Sal Maglie | 118.7 | SFN |
| +005+ | 3.98 | Eddie Lopat | 104.7 | NYA |
| +006+ | 3.69 | Bob Feller | 95 | CLE |
| +007+ | 3.68 | Ralph Branca | 63.3 | LAN |
| +009+ | 3.25 | Gerry Staley | 103 | SLN |
| +011+ | 3.18 | Vern Bickford | 109.7 | ATL |
| +013+ | 3.03 | Randy Gumpert | 62.3 | CHA |
| +014+ | 3.02 | Preacher Roe | 114 | LAN |
| +020+ | 2.58 | Larry Jansen | 118.3 | SFN |
| +021+ | 2.57 | Joe Presko | 77 | SLN |
| +028+ | 2.36 | Robin Roberts | 117.7 | PHI |
| +029+ | 2.36 | Vic Raschi | 111.7 | NYA |
| +038+ | 2.13 | Bob Cain | 82.3 | TOT |
| +044+ | 1.88 | Harry Brecheen | 53 | SLN |
| +045+ | 1.87 | Bubba Church | 91.3 | PHI |
| +046+ | 1.86 | Chet Nichols | 39 | ATL |
| +047+ | 1.78 | Mike Garcia | 86.3 | CLE |
| +049+ | 1.63 | Connie Marrero | 84.7 | MIN |
| +052+ | 1.58 | Bob Lemon | 101.3 | CLE |
| +054+ | 1.52 | Russ Meyer | 85.7 | PHI |
| +055+ | 1.52 | Ewell Blackwell | 105 | CIN |
| +058+ | 1.41 | Allie Reynolds | 80.7 | NYA |
| +062+ | 1.35 | Saul Rogovin | 75 | TOT |
| XXXXX | 1.21 | Don Newcombe | 92.7 | LAN |
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