| Starter | Tm | Tier | Game |
|---|---|---|---|
| Mike Garcia | CLE | 5.43 | 195108070_BAL_CLE |
| Preacher Roe | LAN | 3.9 | 195108081_SFN_LAN |
| Sal Maglie | SFN | 3.66 | 195108082_SFN_LAN |
| Robin Roberts | PHI | 2.47 | 195108071_ATL_PHI |
| Mickey McDermott | BOS | 2.43 | 195108091_OAK_BOS |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Tommy Byrne | BAL | -2.04 | 195108080_BAL_CLE |
| Alex Kellner | OAK | -1.87 | 195108092_OAK_BOS |
| Turk Lown | CHN | -1.46 | 195108090_CIN_CHN |
| Jim Wilson | ATL | -1.23 | 195108080_ATL_PHI |
| Herm Wehmeier | CIN | -1.04 | 195108082_CIN_CHN |
Based on accumulated WAA for this season up to 1951-08-09.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +003+ | 6.52 | Mike Garcia | 174 | CLE |
| +006+ | 5.71 | Warren Spahn | 198.7 | ATL |
| +009+ | 5.06 | Eddie Lopat | 162.7 | NYA |
| +010+ | 4.98 | Robin Roberts | 206 | PHI |
| +011+ | 4.76 | Sal Maglie | 200.3 | SFN |
| +016+ | 4.64 | Preacher Roe | 179.3 | LAN |
| +017+ | 4.61 | Bubba Church | 180.7 | PHI |
| +019+ | 4.2 | Bob Feller | 184.7 | CLE |
| +020+ | 4.09 | Mickey McDermott | 147.7 | BOS |
| +021+ | 4.05 | Vern Bickford | 159.7 | ATL |
| +023+ | 3.85 | Ralph Branca | 123 | LAN |
| +025+ | 3.78 | Connie Marrero | 141 | MIN |
| +033+ | 3.24 | Vic Raschi | 188.7 | NYA |
| +036+ | 3.11 | Don Newcombe | 174.3 | LAN |
| +039+ | 2.98 | Larry Jansen | 188.7 | SFN |
| +040+ | 2.97 | Allie Reynolds | 154.3 | NYA |
| +041+ | 2.96 | Saul Rogovin | 160 | TOT |
| +042+ | 2.94 | Billy Pierce | 165 | CHA |
| +043+ | 2.83 | Early Wynn | 185.7 | CLE |
| +044+ | 2.68 | Russ Meyer | 167.3 | PHI |
| +048+ | 2.61 | Howie Fox | 163.7 | CIN |
| +057+ | 2.22 | Ned Garver | 152.3 | BAL |
| +060+ | 2.1 | Harry Perkowski | 81.3 | CIN |
| +062+ | 2.06 | Fred Hutchinson | 127 | DET |
| +066+ | 1.96 | Mel Parnell | 147.3 | BOS |
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