| 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 |
| Sal Maglie | SFN | 3.57 | 195107080_ATL_SFN |
| Preacher Roe | LAN | 3.32 | 195107080_LAN_PHI |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Bill Werle | PIT | -3.93 | 195107082_SLN_PIT |
| Dick Starr | BAL | -2.7 | 195107061_CHA_BAL |
| Ray Scarborough | BOS | -2.05 | 195107080_NYA_BOS |
| Carl Scheib | OAK | -1.9 | 195107082_OAK_MIN |
| Sid Hudson | MIN | -1.73 | 195107082_OAK_MIN |
Based on accumulated WAA for this season up to 1951-07-08.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +007+ | 4.09 | Ralph Branca | 95 | LAN |
| +008+ | 4.08 | Sal Maglie | 153.3 | SFN |
| +009+ | 3.98 | Bob Feller | 125.7 | CLE |
| +011+ | 3.75 | Warren Spahn | 144.3 | ATL |
| +013+ | 3.67 | Vern Bickford | 126 | ATL |
| +015+ | 3.6 | Preacher Roe | 138 | LAN |
| +017+ | 3.39 | Eddie Lopat | 123 | NYA |
| +019+ | 3.35 | Mike Garcia | 115 | CLE |
| +021+ | 3.29 | Robin Roberts | 150 | PHI |
| +022+ | 3.11 | Don Newcombe | 130.7 | LAN |
| +025+ | 2.94 | Connie Marrero | 111.7 | MIN |
| +028+ | 2.63 | Saul Rogovin | 100 | TOT |
| +031+ | 2.45 | Harry Perkowski | 68 | CIN |
| +032+ | 2.44 | Vic Raschi | 143 | NYA |
| +033+ | 2.38 | Bubba Church | 121.7 | PHI |
| +038+ | 2.3 | Joe Presko | 80 | SLN |
| +039+ | 2.28 | Bob Cain | 103.7 | TOT |
| +042+ | 2.19 | Fred Hutchinson | 81 | DET |
| +043+ | 2.17 | Harry Brecheen | 70 | SLN |
| +044+ | 2.15 | Paul Minner | 96.3 | CHN |
| +045+ | 2.14 | Howie Fox | 105.7 | CIN |
| +049+ | 2.06 | Mickey McDermott | 91.3 | BOS |
| +051+ | 1.92 | Dutch Leonard | 38.7 | CHN |
| +052+ | 1.91 | Larry Jansen | 144 | SFN |
| +053+ | 1.89 | Mel Parnell | 117.3 | BOS |
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