| 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 |
| Vic Raschi | NYA | 1.51 | 195108080_MIN_NYA |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Tommy Byrne | BAL | -2.04 | 195108080_BAL_CLE |
| Jim Wilson | ATL | -1.23 | 195108080_ATL_PHI |
| Herm Wehmeier | CIN | -1.04 | 195108082_CIN_CHN |
| Murry Dickson | PIT | -0.93 | 195108080_PIT_SLN |
| Tom Poholsky | SLN | -0.75 | 195108080_PIT_SLN |
Based on accumulated WAA for this season up to 1951-08-08.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +003+ | 6.53 | Mike Garcia | 174 | CLE |
| +006+ | 5.72 | Warren Spahn | 198.7 | ATL |
| +009+ | 5.07 | Eddie Lopat | 162.7 | NYA |
| +010+ | 4.99 | Robin Roberts | 206 | PHI |
| +011+ | 4.74 | Sal Maglie | 200.3 | SFN |
| +013+ | 4.64 | Preacher Roe | 179.3 | LAN |
| +014+ | 4.56 | Bubba Church | 173.7 | PHI |
| +018+ | 4.32 | Ralph Branca | 121.3 | LAN |
| +019+ | 4.21 | Bob Feller | 184.7 | CLE |
| +021+ | 4.06 | Vern Bickford | 159.7 | ATL |
| +022+ | 4.05 | Mickey McDermott | 140.7 | BOS |
| +025+ | 3.78 | Connie Marrero | 141 | MIN |
| +033+ | 3.25 | Vic Raschi | 188.7 | NYA |
| +035+ | 3.14 | Larry Jansen | 184 | SFN |
| +037+ | 3.11 | Don Newcombe | 174.3 | LAN |
| +039+ | 2.98 | Allie Reynolds | 154.3 | NYA |
| +040+ | 2.97 | Saul Rogovin | 160 | TOT |
| +041+ | 2.94 | Billy Pierce | 165 | CHA |
| +043+ | 2.84 | Early Wynn | 185.7 | CLE |
| +044+ | 2.81 | Howie Fox | 155 | CIN |
| +045+ | 2.68 | Russ Meyer | 167.3 | PHI |
| +054+ | 2.36 | Marlin Stuart | 66.3 | DET |
| +058+ | 2.22 | Ned Garver | 152.3 | BAL |
| +061+ | 2.1 | Harry Perkowski | 81.3 | CIN |
| +064+ | 2.06 | Fred Hutchinson | 127 | DET |
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