| Starter | Tm | Tier | Game |
|---|---|---|---|
| Robin Roberts | PHI | 6.61 | 195109210_PHI_LAN |
| Early Wynn | CLE | 3.67 | 195109190_CLE_BOS |
| Saul Rogovin | CHA | 3.64 | 195109200_CHA_NYA |
| Preacher Roe | LAN | 3.45 | 195109190_LAN_SLN |
| Allie Reynolds | NYA | 1.56 | 195109210_NYA_BOS |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Duane Pillette | BAL | -1.05 | 195109200_BAL_MIN |
| Frank Hiller | CHN | -1.05 | 195109210_CHN_SLN |
| Don Johnson | MIN | -0.93 | 195109200_BAL_MIN |
| Johnny Sain | NYA | -0.31 | 195109200_CHA_NYA |
| Murry Dickson | PIT | -0.23 | 195109190_ATL_PIT |
Based on accumulated WAA for this season up to 1951-09-21.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +006+ | 7.74 | Robin Roberts | 293.3 | PHI |
| +007+ | 7.15 | Warren Spahn | 285.3 | ATL |
| +009+ | 6.83 | Early Wynn | 270.3 | CLE |
| +012+ | 6.29 | Preacher Roe | 239.3 | LAN |
| +013+ | 6.26 | Eddie Lopat | 225 | NYA |
| +016+ | 6 | Saul Rogovin | 216.7 | TOT |
| +017+ | 5.95 | Sal Maglie | 269.3 | SFN |
| +018+ | 5.85 | Mike Garcia | 246.7 | CLE |
| +024+ | 4.83 | Ralph Branca | 194.7 | LAN |
| +025+ | 4.75 | Billy Pierce | 231 | CHA |
| +027+ | 4.62 | Allie Reynolds | 212.3 | NYA |
| +028+ | 4.61 | Larry Jansen | 250.7 | SFN |
| +031+ | 4.24 | Don Newcombe | 235.3 | LAN |
| +033+ | 4.2 | Bubba Church | 234 | PHI |
| +035+ | 3.97 | Al Brazle | 142 | SLN |
| +036+ | 3.79 | Steve Gromek | 104.7 | CLE |
| +038+ | 3.76 | Bob Lemon | 255.7 | CLE |
| +039+ | 3.71 | Vern Bickford | 159.7 | ATL |
| +043+ | 3.41 | Chet Nichols | 138.7 | ATL |
| +047+ | 3.37 | Bob Feller | 249.3 | CLE |
| +050+ | 3.32 | Vic Raschi | 240.3 | NYA |
| +052+ | 3.27 | Mel Parnell | 209 | BOS |
| +056+ | 2.91 | Ken Raffensberger | 234.7 | CIN |
| +057+ | 2.82 | Max Lanier | 152 | SLN |
| +058+ | 2.78 | Ewell Blackwell | 220 | CIN |
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