| Starter | Tm | Tier | Game |
|---|---|---|---|
| Ralph Branca | LAN | 4.36 | 195107120_CHN_LAN |
| Bob Feller | CLE | 4.09 | 195107120_NYA_CLE |
| Eddie Lopat | NYA | 3.19 | 195107140_NYA_CLE |
| Robin Roberts | PHI | 2.42 | 195107130_PIT_PHI |
| Paul Minner | CHN | 2.34 | 195107120_CHN_LAN |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Dick Starr | BAL | -2.99 | 195107122_OAK_BAL |
| Bobby Shantz | OAK | -2.06 | 195107122_OAK_BAL |
| Bob Porterfield | MIN | -1.09 | 195107130_MIN_DET |
| Dan Bankhead | LAN | -0.91 | 195107142_CHN_LAN |
| Turk Lown | CHN | -0.52 | 195107141_CHN_LAN |
Based on accumulated WAA for this season up to 1951-07-14.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +003+ | 4.67 | Bob Feller | 134.7 | CLE |
| +005+ | 4.49 | Ralph Branca | 99 | LAN |
| +009+ | 4.1 | Sal Maglie | 153.3 | SFN |
| +010+ | 3.77 | Warren Spahn | 144.3 | ATL |
| +011+ | 3.77 | Robin Roberts | 159 | PHI |
| +013+ | 3.69 | Vern Bickford | 126 | ATL |
| +014+ | 3.63 | Mike Garcia | 117.7 | CLE |
| +015+ | 3.62 | Preacher Roe | 138 | LAN |
| +021+ | 3.3 | Eddie Lopat | 128 | NYA |
| +022+ | 3.27 | Bubba Church | 130.7 | PHI |
| +023+ | 3.24 | Saul Rogovin | 117 | TOT |
| +025+ | 3.06 | Mickey McDermott | 108.3 | BOS |
| +027+ | 3.02 | Howie Fox | 114.7 | CIN |
| +028+ | 3 | Don Newcombe | 133.7 | LAN |
| +030+ | 2.96 | Connie Marrero | 111.7 | MIN |
| +035+ | 2.61 | Allie Reynolds | 119 | NYA |
| +037+ | 2.45 | Harry Perkowski | 68 | CIN |
| +038+ | 2.42 | Gerry Staley | 135 | SLN |
| +039+ | 2.4 | Bob Cain | 109.7 | TOT |
| +041+ | 2.32 | Joe Presko | 80 | SLN |
| +044+ | 2.28 | Fred Hutchinson | 84 | DET |
| +042+ | 2.28 | Larry Jansen | 152 | SFN |
| +046+ | 2.19 | Harry Brecheen | 70 | SLN |
| +053+ | 2.04 | Dutch Leonard | 39.7 | CHN |
| +055+ | 1.97 | Mel Parnell | 125.3 | BOS |
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