| Starter | Tm | Tier | Game |
|---|---|---|---|
| Mike Garcia | CLE | 8.01 | 195108160_CLE_BAL |
| Eddie Lopat | NYA | 4.6 | 195108150_NYA_MIN |
| Robin Roberts | PHI | 3.89 | 195108140_PHI_ATL |
| Warren Spahn | ATL | 3.64 | 195108150_PHI_ATL |
| Ralph Branca | LAN | 3.04 | 195108150_LAN_SFN |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Dick Starr | MIN | -3.56 | 195108160_NYA_MIN |
| Virgil Trucks | DET | -2.01 | 195108150_DET_CHA |
| Turk Lown | CHN | -1.83 | 195108140_CHN_SLN |
| Tommy Byrne | BAL | -1.48 | 195108160_CLE_BAL |
| Dick Fowler | OAK | -1.23 | 195108150_BOS_OAK |
Based on accumulated WAA for this season up to 1951-08-16.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +002+ | 6.95 | Mike Garcia | 189 | CLE |
| +007+ | 5.66 | Sal Maglie | 218.3 | SFN |
| +009+ | 5.51 | Warren Spahn | 213.3 | ATL |
| +010+ | 5.21 | Eddie Lopat | 178.7 | NYA |
| +011+ | 5.18 | Robin Roberts | 218 | PHI |
| +017+ | 4.67 | Bob Feller | 193.7 | CLE |
| +018+ | 4.54 | Ralph Branca | 140 | LAN |
| +019+ | 4.52 | Preacher Roe | 179.3 | LAN |
| +020+ | 4.23 | Bubba Church | 188.7 | PHI |
| +022+ | 4.02 | Mickey McDermott | 152.7 | BOS |
| +023+ | 3.94 | Vern Bickford | 159.7 | ATL |
| +024+ | 3.92 | Don Newcombe | 190.7 | LAN |
| +028+ | 3.7 | Saul Rogovin | 169 | TOT |
| +034+ | 3.39 | Connie Marrero | 149 | MIN |
| +037+ | 3.25 | Larry Jansen | 195.7 | SFN |
| +041+ | 3.18 | Early Wynn | 200 | CLE |
| +042+ | 3.01 | Allie Reynolds | 162.7 | NYA |
| +048+ | 2.64 | Russ Meyer | 168 | PHI |
| +050+ | 2.5 | Howie Fox | 173 | CIN |
| +054+ | 2.33 | Vic Raschi | 192 | NYA |
| +059+ | 2.04 | Billy Pierce | 170 | CHA |
| +061+ | 2.01 | Harry Perkowski | 81.3 | CIN |
| +063+ | 2 | Mel Parnell | 162.3 | BOS |
| +064+ | 1.96 | Marlin Stuart | 78 | DET |
| +067+ | 1.92 | Joe Dobson | 137.7 | CHA |
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