| Starter | Tm | Tier | Game |
|---|---|---|---|
| Warren Spahn | ATL | 4.21 | 195107151_CHN_ATL |
| Eddie Lopat | NYA | 3.19 | 195107140_NYA_CLE |
| Mike Garcia | CLE | 2.87 | 195107152_MIN_CLE |
| Preacher Roe | LAN | 2.58 | 195107151_CIN_LAN |
| Sal Maglie | SFN | 2.45 | 195107151_PIT_SFN |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Bill Werle | PIT | -3.52 | 195107152_PIT_SFN |
| Al Widmar | BAL | -2.32 | 195107160_BOS_BAL |
| Jim Hearn | SFN | -1.5 | 195107152_PIT_SFN |
| Ray Scarborough | BOS | -1.46 | 195107152_BOS_BAL |
| Sid Hudson | MIN | -1.03 | 195107152_MIN_CLE |
Based on accumulated WAA for this season up to 1951-07-16.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +003+ | 4.74 | Bob Feller | 134.7 | CLE |
| +004+ | 4.71 | Warren Spahn | 153.3 | ATL |
| +005+ | 4.54 | Ralph Branca | 99 | LAN |
| +009+ | 4.15 | Mike Garcia | 126.7 | CLE |
| +011+ | 3.86 | Sal Maglie | 159.3 | SFN |
| +013+ | 3.84 | Preacher Roe | 146 | LAN |
| +012+ | 3.84 | Robin Roberts | 159 | PHI |
| +014+ | 3.76 | Vern Bickford | 126 | ATL |
| +023+ | 3.37 | Eddie Lopat | 128 | NYA |
| +024+ | 3.33 | Bubba Church | 130.7 | PHI |
| +025+ | 3.3 | Saul Rogovin | 117 | TOT |
| +026+ | 3.15 | Mickey McDermott | 108.3 | BOS |
| +027+ | 3.1 | Connie Marrero | 120.7 | MIN |
| +029+ | 3.09 | Howie Fox | 114.7 | CIN |
| +030+ | 3.06 | Don Newcombe | 133.7 | LAN |
| +033+ | 2.75 | Allie Reynolds | 119.7 | NYA |
| +037+ | 2.49 | Fred Hutchinson | 92 | DET |
| +038+ | 2.44 | Gerry Staley | 142.7 | SLN |
| +041+ | 2.38 | Joe Presko | 80 | SLN |
| +043+ | 2.36 | Harry Brecheen | 77.7 | SLN |
| +049+ | 2.14 | Ewell Blackwell | 126.3 | CIN |
| +054+ | 2.07 | Mel Parnell | 125.3 | BOS |
| +055+ | 2.03 | Dutch Leonard | 45.7 | CHN |
| +056+ | 2.03 | Early Wynn | 143.3 | CLE |
| +058+ | 2.01 | Harry Perkowski | 71.7 | CIN |
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