| Starter | Tm | Tier | Game |
|---|---|---|---|
| Warren Spahn | ATL | 6.47 | 195108051_ATL_CHN |
| Mike Garcia | CLE | 5.43 | 195108070_BAL_CLE |
| Eddie Lopat | NYA | 3.38 | 195108051_BAL_NYA |
| Robin Roberts | PHI | 2.47 | 195108071_ATL_PHI |
| Ralph Branca | LAN | 2.11 | 195108052_LAN_CIN |
| 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 |
| Lou Kretlow | CHA | -0.68 | 195108050_CHA_MIN |
| Johnny Sain | ATL | -0.64 | 195108072_ATL_PHI |
Based on accumulated WAA for this season up to 1951-08-07.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +003+ | 6.54 | Mike Garcia | 174 | CLE |
| +005+ | 5.72 | Warren Spahn | 198.7 | ATL |
| +008+ | 5.41 | Sal Maglie | 196.3 | SFN |
| +010+ | 5.08 | Eddie Lopat | 162.7 | NYA |
| +011+ | 5 | Robin Roberts | 206 | PHI |
| +012+ | 4.69 | Preacher Roe | 177.3 | LAN |
| +013+ | 4.57 | Bubba Church | 173.7 | PHI |
| +017+ | 4.33 | Ralph Branca | 121.3 | LAN |
| +020+ | 4.06 | Mickey McDermott | 140.7 | BOS |
| +021+ | 4.06 | Vern Bickford | 159.7 | ATL |
| +024+ | 3.79 | Connie Marrero | 141 | MIN |
| +027+ | 3.55 | Bob Feller | 175.7 | CLE |
| +030+ | 3.35 | Don Newcombe | 165.7 | LAN |
| +034+ | 3.27 | Saul Rogovin | 149.7 | TOT |
| +035+ | 3.21 | Vic Raschi | 179.7 | NYA |
| +037+ | 3.15 | Larry Jansen | 184 | SFN |
| +040+ | 2.99 | Allie Reynolds | 154.3 | NYA |
| +041+ | 2.97 | Billy Pierce | 165 | CHA |
| +042+ | 2.85 | Early Wynn | 185.7 | CLE |
| +043+ | 2.82 | Howie Fox | 155 | CIN |
| +045+ | 2.69 | Russ Meyer | 167.3 | PHI |
| +055+ | 2.38 | Marlin Stuart | 66.3 | DET |
| +059+ | 2.24 | Fred Hutchinson | 122 | DET |
| +060+ | 2.22 | Ned Garver | 152.3 | BAL |
| +063+ | 2.1 | Harry Perkowski | 81.3 | CIN |
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