| Starter | Tm | Tier | Game |
|---|---|---|---|
| Warren Spahn | ATL | 6.09 | 195109161_ATL_CIN |
| Robin Roberts | PHI | 5.67 | 195109170_PHI_SLN |
| Sal Maglie | SFN | 3.45 | 195109162_SFN_PIT |
| Eddie Lopat | NYA | 3.42 | 195109170_CLE_NYA |
| Ralph Branca | LAN | 3.38 | 195109150_LAN_PIT |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Dick Starr | MIN | -5.99 | 195109161_DET_MIN |
| Turk Lown | CHN | -2.69 | 195109170_LAN_CHN |
| Dick Fowler | OAK | -1.7 | 195109150_CHA_OAK |
| Ray Scarborough | BOS | -1.31 | 195109170_CHA_BOS |
| Howie Pollet | PIT | -1.26 | 195109161_SFN_PIT |
Based on accumulated WAA for this season up to 1951-09-17.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +005+ | 7.95 | Robin Roberts | 284.3 | PHI |
| +007+ | 7.13 | Warren Spahn | 285.3 | ATL |
| +010+ | 6.4 | Early Wynn | 261.3 | CLE |
| +013+ | 6.29 | Eddie Lopat | 225 | NYA |
| +014+ | 6.08 | Saul Rogovin | 208.7 | TOT |
| +016+ | 5.97 | Sal Maglie | 269.3 | SFN |
| +017+ | 5.85 | Mike Garcia | 237.7 | CLE |
| +019+ | 5.45 | Preacher Roe | 230.3 | LAN |
| +023+ | 4.86 | Ralph Branca | 186 | LAN |
| +027+ | 4.62 | Larry Jansen | 250.7 | SFN |
| +028+ | 4.24 | Don Newcombe | 235.3 | LAN |
| +030+ | 4.1 | Billy Pierce | 222 | CHA |
| +032+ | 4 | Bob Feller | 247 | CLE |
| +033+ | 3.99 | Allie Reynolds | 203.3 | NYA |
| +034+ | 3.98 | Al Brazle | 142 | SLN |
| +035+ | 3.87 | Steve Gromek | 101 | CLE |
| +037+ | 3.79 | Chet Nichols | 131.7 | ATL |
| +038+ | 3.77 | Bob Lemon | 255.7 | CLE |
| +040+ | 3.7 | Vern Bickford | 159.7 | ATL |
| +045+ | 3.56 | Bubba Church | 225 | PHI |
| +050+ | 3.31 | Vic Raschi | 233.3 | NYA |
| +051+ | 3.28 | Mel Parnell | 209 | BOS |
| +053+ | 3.17 | Sam Zoldak | 122 | OAK |
| +056+ | 3.05 | Mickey McDermott | 163.7 | BOS |
| +057+ | 2.97 | Clem Labine | 54 | LAN |
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