| Starter | Tm | Tier | Game |
|---|---|---|---|
| Bob Feller | CLE | 4.81 | 195107170_BOS_CLE |
| Warren Spahn | ATL | 4.21 | 195107151_CHN_ATL |
| Robin Roberts | PHI | 3.05 | 195107171_CIN_PHI |
| Preacher Roe | LAN | 2.58 | 195107151_CIN_LAN |
| Howie Fox | CIN | 2.51 | 195107171_CIN_PHI |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Bill Werle | PIT | -3.52 | 195107152_PIT_SFN |
| Al Widmar | BAL | -2.32 | 195107160_BOS_BAL |
| Alex Kellner | OAK | -2.02 | 195107170_OAK_DET |
| Jim Hearn | SFN | -1.5 | 195107152_PIT_SFN |
| Ray Scarborough | BOS | -1.46 | 195107152_BOS_BAL |
Based on accumulated WAA for this season up to 1951-07-17.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +003+ | 4.73 | Warren Spahn | 153.3 | ATL |
| +004+ | 4.55 | Ralph Branca | 99 | LAN |
| +006+ | 4.35 | Bob Feller | 143.3 | CLE |
| +009+ | 4.17 | Mike Garcia | 126.7 | CLE |
| +011+ | 3.87 | Sal Maglie | 159.3 | SFN |
| +012+ | 3.85 | Preacher Roe | 146 | LAN |
| +013+ | 3.77 | Vern Bickford | 126 | ATL |
| +016+ | 3.63 | Saul Rogovin | 127 | TOT |
| +023+ | 3.37 | Eddie Lopat | 128 | NYA |
| +024+ | 3.34 | Bubba Church | 130.7 | PHI |
| +025+ | 3.17 | Mickey McDermott | 108.3 | BOS |
| +027+ | 3.16 | Robin Roberts | 162.7 | PHI |
| +028+ | 3.12 | Connie Marrero | 120.7 | MIN |
| +030+ | 3.07 | Don Newcombe | 133.7 | LAN |
| +031+ | 2.92 | Allie Reynolds | 127.7 | NYA |
| +034+ | 2.64 | Howie Fox | 122.7 | CIN |
| +038+ | 2.49 | Fred Hutchinson | 92 | DET |
| +039+ | 2.46 | Gerry Staley | 142.7 | SLN |
| +041+ | 2.4 | Joe Presko | 80 | SLN |
| +043+ | 2.38 | Harry Brecheen | 77.7 | SLN |
| +042+ | 2.38 | Mel Parnell | 128.3 | BOS |
| +048+ | 2.16 | Ewell Blackwell | 126.3 | CIN |
| +056+ | 2.04 | Early Wynn | 143.3 | CLE |
| +058+ | 2.02 | Harry Perkowski | 71.7 | CIN |
| +063+ | 1.95 | Larry Jansen | 159 | SFN |
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