| Starter | Tm | Tier | Game |
|---|---|---|---|
| Warren Spahn | ATL | 6.09 | 195109161_ATL_CIN |
| Sal Maglie | SFN | 3.45 | 195109162_SFN_PIT |
| Ralph Branca | LAN | 3.38 | 195109150_LAN_PIT |
| Early Wynn | CLE | 3.35 | 195109151_CLE_MIN |
| Mickey McDermott | BOS | 1.43 | 195109140_BAL_BOS |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Dick Starr | MIN | -5.99 | 195109161_DET_MIN |
| Fred Sanford | BAL | -3.25 | 195109140_BAL_BOS |
| Dick Fowler | OAK | -1.7 | 195109150_CHA_OAK |
| Howie Pollet | PIT | -1.26 | 195109161_SFN_PIT |
| Bob Cain | DET | -0.8 | 195109161_DET_MIN |
Based on accumulated WAA for this season up to 1951-09-16.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +006+ | 7.24 | Robin Roberts | 274.3 | PHI |
| +007+ | 7.14 | Warren Spahn | 285.3 | ATL |
| +010+ | 6.4 | Early Wynn | 261.3 | CLE |
| +012+ | 6.07 | Saul Rogovin | 208.7 | TOT |
| +014+ | 5.98 | Sal Maglie | 269.3 | SFN |
| +015+ | 5.84 | Mike Garcia | 237.7 | CLE |
| +018+ | 5.44 | Preacher Roe | 230.3 | LAN |
| +019+ | 5.43 | Eddie Lopat | 216 | NYA |
| +024+ | 4.85 | Ralph Branca | 186 | LAN |
| +027+ | 4.63 | Larry Jansen | 250.7 | SFN |
| +028+ | 4.23 | Don Newcombe | 228.7 | LAN |
| +030+ | 4.09 | Billy Pierce | 222 | CHA |
| +032+ | 4 | Allie Reynolds | 203.3 | NYA |
| +033+ | 3.99 | Bob Feller | 247 | CLE |
| +034+ | 3.86 | Steve Gromek | 101 | CLE |
| +036+ | 3.8 | Chet Nichols | 131.7 | ATL |
| +038+ | 3.7 | Vern Bickford | 159.7 | ATL |
| +040+ | 3.59 | Bubba Church | 225 | PHI |
| +045+ | 3.47 | Al Brazle | 132 | SLN |
| +048+ | 3.4 | Bob Lemon | 247.3 | CLE |
| +051+ | 3.32 | Vic Raschi | 233.3 | NYA |
| +052+ | 3.28 | Mel Parnell | 209 | BOS |
| +053+ | 3.18 | Sam Zoldak | 122 | OAK |
| +056+ | 3.05 | Mickey McDermott | 163.7 | BOS |
| +058+ | 2.97 | Clem Labine | 54 | LAN |
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