| Starter | Tm | Tier | Game |
|---|---|---|---|
| Robin Roberts | PHI | 6.61 | 195109210_PHI_LAN |
| Warren Spahn | ATL | 6.09 | 195109220_ATL_SFN |
| Eddie Lopat | NYA | 4.29 | 195109220_NYA_BOS |
| Saul Rogovin | CHA | 3.64 | 195109200_CHA_NYA |
| Larry Jansen | SFN | 2.05 | 195109220_ATL_SFN |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Dick Starr | MIN | -5.88 | 195109220_MIN_OAK |
| Dick Fowler | OAK | -2.03 | 195109220_MIN_OAK |
| Frank Hiller | CHN | -1.05 | 195109210_CHN_SLN |
| Duane Pillette | BAL | -1.05 | 195109200_BAL_MIN |
| Bob Cain | DET | -0.45 | 195109220_CLE_DET |
Based on accumulated WAA for this season up to 1951-09-22.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +006+ | 7.74 | Robin Roberts | 293.3 | PHI |
| +007+ | 7.08 | Warren Spahn | 293.3 | ATL |
| +008+ | 6.84 | Early Wynn | 270.3 | CLE |
| +012+ | 6.29 | Preacher Roe | 239.3 | LAN |
| +015+ | 6 | Saul Rogovin | 216.7 | TOT |
| +016+ | 5.96 | Eddie Lopat | 228.3 | NYA |
| +017+ | 5.95 | Sal Maglie | 269.3 | SFN |
| +018+ | 5.86 | Mike Garcia | 246.7 | CLE |
| +019+ | 5.45 | Larry Jansen | 259.7 | SFN |
| +025+ | 4.83 | Ralph Branca | 194.7 | LAN |
| +026+ | 4.75 | Billy Pierce | 231 | CHA |
| +027+ | 4.63 | Allie Reynolds | 212.3 | NYA |
| +032+ | 4.19 | Bubba Church | 234 | PHI |
| +033+ | 4.11 | Mel Parnell | 218 | BOS |
| +036+ | 3.72 | Vern Bickford | 159.7 | ATL |
| +042+ | 3.44 | Don Newcombe | 240.3 | LAN |
| +044+ | 3.41 | Chet Nichols | 138.7 | ATL |
| +045+ | 3.39 | Bob Feller | 249.3 | CLE |
| +047+ | 3.38 | Al Brazle | 147 | SLN |
| +049+ | 3.33 | Vic Raschi | 240.3 | NYA |
| +051+ | 3.17 | Steve Gromek | 107 | CLE |
| +053+ | 3.13 | Bob Lemon | 260 | CLE |
| +056+ | 2.9 | Ken Raffensberger | 234.7 | CIN |
| +057+ | 2.8 | Max Lanier | 152 | SLN |
| +058+ | 2.77 | Ewell Blackwell | 220 | CIN |
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