| Starter | Tm | Tier | Game |
|---|---|---|---|
| Robin Roberts | PHI | 6.73 | 195109250_SFN_PHI |
| Warren Spahn | ATL | 5.93 | 195109251_LAN_ATL |
| Preacher Roe | LAN | 4.73 | 195109230_PHI_LAN |
| Early Wynn | CLE | 4.61 | 195109250_CLE_CHA |
| Sal Maglie | SFN | 3.78 | 195109230_ATL_SFN |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Jim Wilson | ATL | -2.48 | 195109252_LAN_ATL |
| Turk Lown | CHN | -2.44 | 195109250_CHN_PIT |
| Howie Pollet | PIT | -1.69 | 195109232_PIT_CIN |
| Tom Poholsky | SLN | -0.88 | 195109231_CHN_SLN |
| Virgil Trucks | DET | -0.79 | 195109230_CLE_DET |
Based on accumulated WAA for this season up to 1951-09-25.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +005+ | 7.75 | Robin Roberts | 300.3 | PHI |
| +007+ | 7.29 | Warren Spahn | 302.3 | ATL |
| +009+ | 6.8 | Sal Maglie | 281 | SFN |
| +011+ | 6.72 | Preacher Roe | 248.3 | LAN |
| +012+ | 6.59 | Early Wynn | 274.3 | CLE |
| +016+ | 5.97 | Saul Rogovin | 216.7 | TOT |
| +017+ | 5.92 | Eddie Lopat | 228.3 | NYA |
| +020+ | 5.42 | Larry Jansen | 259.7 | SFN |
| +022+ | 5.27 | Mike Garcia | 253.7 | CLE |
| +024+ | 5.13 | Billy Pierce | 240 | CHA |
| +027+ | 4.6 | Allie Reynolds | 212.3 | NYA |
| +031+ | 4.15 | Vic Raschi | 249.3 | NYA |
| +032+ | 4.1 | Mel Parnell | 218 | BOS |
| +033+ | 4 | Bubba Church | 241 | PHI |
| +034+ | 3.99 | Ralph Branca | 194.7 | LAN |
| +037+ | 3.81 | Chet Nichols | 147.3 | ATL |
| +042+ | 3.57 | Vern Bickford | 162.7 | ATL |
| +043+ | 3.48 | Ken Raffensberger | 248.7 | CIN |
| +046+ | 3.45 | Don Newcombe | 240.3 | LAN |
| +048+ | 3.39 | Bob Feller | 249.3 | CLE |
| +053+ | 3.23 | Al Brazle | 155 | SLN |
| +054+ | 3.21 | Bob Lemon | 263 | CLE |
| +055+ | 3.18 | Steve Gromek | 107 | CLE |
| +056+ | 3.12 | Ewell Blackwell | 227 | CIN |
| +058+ | 2.87 | Sam Zoldak | 128 | OAK |
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