| Starter | Tm | Tier | Game |
|---|---|---|---|
| Warren Spahn | ATL | 7.6 | 195107060_ATL_SFN |
| Bob Feller | CLE | 4.22 | 195107060_CLE_DET |
| Eddie Lopat | NYA | 4.09 | 195107060_NYA_BOS |
| Robin Roberts | PHI | 3.26 | 195107070_LAN_PHI |
| Ralph Branca | LAN | 3.26 | 195107070_LAN_PHI |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Dick Starr | BAL | -2.7 | 195107061_CHA_BAL |
| Bob Miller | PHI | -2.37 | 195107050_PHI_ATL |
| Bobby Shantz | OAK | -1.77 | 195107060_OAK_MIN |
| Jim Hearn | SFN | -1.53 | 195107060_ATL_SFN |
| Cliff Chambers | SLN | -0.87 | 195107050_SLN_CHN |
Based on accumulated WAA for this season up to 1951-07-07.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +004+ | 4.51 | Sal Maglie | 147 | SFN |
| +008+ | 4.09 | Ralph Branca | 95 | LAN |
| +009+ | 3.95 | Bob Feller | 125.7 | CLE |
| +011+ | 3.74 | Warren Spahn | 144.3 | ATL |
| +013+ | 3.67 | Vern Bickford | 126 | ATL |
| +014+ | 3.65 | Preacher Roe | 132 | LAN |
| +016+ | 3.36 | Eddie Lopat | 123 | NYA |
| +018+ | 3.29 | Robin Roberts | 150 | PHI |
| +019+ | 3.12 | Don Newcombe | 128.7 | LAN |
| +023+ | 2.95 | Mike Garcia | 107 | CLE |
| +026+ | 2.64 | Vic Raschi | 137 | NYA |
| +028+ | 2.61 | Saul Rogovin | 100 | TOT |
| +031+ | 2.43 | Bubba Church | 113.7 | PHI |
| +030+ | 2.43 | Harry Perkowski | 68 | CIN |
| +036+ | 2.27 | Joe Presko | 80 | SLN |
| +037+ | 2.26 | Bob Cain | 103.7 | TOT |
| +040+ | 2.17 | Fred Hutchinson | 81 | DET |
| +042+ | 2.14 | Paul Minner | 96.3 | CHN |
| +043+ | 2.12 | Howie Fox | 105.7 | CIN |
| +047+ | 2.04 | Mickey McDermott | 91.3 | BOS |
| +048+ | 2.04 | Allie Reynolds | 109.7 | NYA |
| +049+ | 2.03 | Connie Marrero | 102.7 | MIN |
| +053+ | 1.92 | Dutch Leonard | 38.7 | CHN |
| +055+ | 1.91 | Larry Jansen | 144 | SFN |
| +056+ | 1.87 | Mel Parnell | 117.3 | BOS |
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