| Starter | Tm | Tier | Game |
|---|---|---|---|
| Warren Spahn | ATL | 6.47 | 195108051_ATL_CHN |
| Don Newcombe | LAN | 3.57 | 195108040_LAN_CIN |
| Eddie Lopat | NYA | 3.38 | 195108051_BAL_NYA |
| Bubba Church | PHI | 2.07 | 195108051_PHI_PIT |
| Bob Feller | CLE | 1.47 | 195108040_CLE_OAK |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Dick Starr | MIN | -4.68 | 195108050_CHA_MIN |
| Virgil Trucks | DET | -1.99 | 195108052_DET_BOS |
| Alex Kellner | OAK | -1.82 | 195108051_CLE_OAK |
| Murry Dickson | PIT | -1.49 | 195108040_PHI_PIT |
| Turk Lown | CHN | -1.36 | 195108040_ATL_CHN |
Based on accumulated WAA for this season up to 1951-08-06.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +003+ | 5.89 | Mike Garcia | 165 | CLE |
| +005+ | 5.69 | Warren Spahn | 195 | ATL |
| +007+ | 5.44 | Sal Maglie | 196.3 | SFN |
| +009+ | 5.11 | Eddie Lopat | 162.7 | NYA |
| +011+ | 4.71 | Preacher Roe | 177.3 | LAN |
| +012+ | 4.7 | Bubba Church | 173.7 | PHI |
| +015+ | 4.48 | Robin Roberts | 197 | PHI |
| +017+ | 4.35 | Ralph Branca | 121.3 | LAN |
| +019+ | 4.15 | Vern Bickford | 159.7 | ATL |
| +020+ | 4.07 | Mickey McDermott | 140.7 | BOS |
| +024+ | 3.81 | Connie Marrero | 141 | MIN |
| +026+ | 3.58 | Bob Feller | 175.7 | CLE |
| +030+ | 3.38 | Don Newcombe | 165.7 | LAN |
| +031+ | 3.35 | Saul Rogovin | 149.7 | TOT |
| +035+ | 3.23 | Vic Raschi | 179.7 | NYA |
| +036+ | 3.17 | Larry Jansen | 184 | SFN |
| +040+ | 3.02 | Allie Reynolds | 154.3 | NYA |
| +042+ | 2.88 | Early Wynn | 185.7 | CLE |
| +043+ | 2.83 | Howie Fox | 155 | CIN |
| +052+ | 2.42 | Marlin Stuart | 66.3 | DET |
| +054+ | 2.31 | Fred Hutchinson | 122 | DET |
| +056+ | 2.23 | Ned Garver | 152.3 | BAL |
| +060+ | 2.1 | Harry Perkowski | 81.3 | CIN |
| +062+ | 2.02 | Billy Pierce | 152 | CHA |
| +064+ | 1.98 | Mel Parnell | 147.3 | BOS |
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