| Starter | Tm | Tier | Game |
|---|---|---|---|
| Mike Garcia | CLE | 8.01 | 195108160_CLE_BAL |
| Robin Roberts | PHI | 3.35 | 195108180_SFN_PHI |
| Preacher Roe | LAN | 3.16 | 195108180_LAN_ATL |
| Sal Maglie | SFN | 2.79 | 195108160_LAN_SFN |
| Connie Marrero | MIN | 1.57 | 195108170_BOS_MIN |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Dick Starr | MIN | -3.56 | 195108160_NYA_MIN |
| Alex Kellner | OAK | -2.46 | 195108180_OAK_NYA |
| Bill Wight | BOS | -1.82 | 195108170_BOS_MIN |
| Fred Sanford | BAL | -1.57 | 195108180_DET_BAL |
| Johnny Schmitz | LAN | -1.52 | 195108172_LAN_ATL |
Based on accumulated WAA for this season up to 1951-08-18.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +003+ | 6.77 | Mike Garcia | 191 | CLE |
| +007+ | 5.68 | Sal Maglie | 218.3 | SFN |
| +008+ | 5.54 | Warren Spahn | 213.3 | ATL |
| +009+ | 5.46 | Robin Roberts | 225 | PHI |
| +011+ | 5.23 | Eddie Lopat | 178.7 | NYA |
| +016+ | 4.82 | Preacher Roe | 188.7 | LAN |
| +018+ | 4.57 | Ralph Branca | 140 | LAN |
| +019+ | 4.14 | Larry Jansen | 204.7 | SFN |
| +021+ | 3.99 | Mickey McDermott | 152.7 | BOS |
| +022+ | 3.96 | Vern Bickford | 159.7 | ATL |
| +023+ | 3.96 | Don Newcombe | 190.7 | LAN |
| +024+ | 3.93 | Bob Feller | 200.7 | CLE |
| +030+ | 3.71 | Saul Rogovin | 169 | TOT |
| +031+ | 3.7 | Bubba Church | 191.7 | PHI |
| +037+ | 3.23 | Early Wynn | 200 | CLE |
| +039+ | 3.07 | Connie Marrero | 161 | MIN |
| +044+ | 3.02 | Vic Raschi | 201 | NYA |
| +043+ | 3.02 | Allie Reynolds | 162.7 | NYA |
| +049+ | 2.7 | Billy Pierce | 179 | CHA |
| +050+ | 2.66 | Russ Meyer | 168 | PHI |
| +052+ | 2.52 | Howie Fox | 173 | CIN |
| +053+ | 2.49 | Max Surkont | 179.3 | ATL |
| +054+ | 2.49 | Harry Brecheen | 114.3 | SLN |
| +055+ | 2.44 | Chet Nichols | 93.3 | ATL |
| +057+ | 2.28 | Ewell Blackwell | 168.3 | CIN |
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