| Starter | Tm | Tier | Game |
|---|---|---|---|
| Warren Spahn | ATL | 5.2 | 195109010_ATL_PHI |
| Mike Garcia | CLE | 4.09 | 195109020_BAL_CLE |
| Ralph Branca | LAN | 3.82 | 195109010_LAN_SFN |
| Sal Maglie | SFN | 2.86 | 195109010_LAN_SFN |
| Eddie Lopat | NYA | 2.77 | 195109010_NYA_MIN |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Virgil Trucks | DET | -2.48 | 195109020_CHA_DET |
| Sid Hudson | MIN | -1.31 | 195109010_NYA_MIN |
| Tom Poholsky | SLN | -1.19 | 195109020_PIT_SLN |
| Tommy Byrne | BAL | -0.42 | 195109010_BAL_CLE |
| Johnny Klippstein | CHN | -0.36 | 195109021_CIN_CHN |
Based on accumulated WAA for this season up to 1951-09-02.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +006+ | 6.69 | Mike Garcia | 222.7 | CLE |
| +007+ | 6.45 | Robin Roberts | 250 | PHI |
| +008+ | 6.36 | Warren Spahn | 249.3 | ATL |
| +012+ | 5.75 | Sal Maglie | 241 | SFN |
| +014+ | 5.57 | Eddie Lopat | 203 | NYA |
| +015+ | 5.46 | Early Wynn | 234 | CLE |
| +016+ | 5.34 | Preacher Roe | 212.3 | LAN |
| +018+ | 5.03 | Saul Rogovin | 190.7 | TOT |
| +020+ | 4.84 | Ralph Branca | 167 | LAN |
| +026+ | 4.05 | Don Newcombe | 218.7 | LAN |
| +028+ | 3.97 | Bob Feller | 218.3 | CLE |
| +029+ | 3.87 | Larry Jansen | 225.7 | SFN |
| +030+ | 3.81 | Chet Nichols | 111.3 | ATL |
| +031+ | 3.8 | Mickey McDermott | 152.7 | BOS |
| +033+ | 3.76 | Vern Bickford | 159.7 | ATL |
| +036+ | 3.58 | Bubba Church | 209 | PHI |
| +037+ | 3.55 | Allie Reynolds | 180 | NYA |
| +046+ | 3.03 | Connie Marrero | 173.3 | MIN |
| +049+ | 2.95 | Steve Gromek | 84 | CLE |
| +052+ | 2.82 | Ewell Blackwell | 192.7 | CIN |
| +056+ | 2.59 | Vic Raschi | 215.7 | NYA |
| +057+ | 2.59 | Billy Pierce | 199 | CHA |
| +059+ | 2.52 | Sam Zoldak | 107 | OAK |
| +060+ | 2.5 | Mel Parnell | 183.7 | BOS |
| +063+ | 2.4 | Russ Meyer | 168 | PHI |
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