| Starter | Tm | Tier | Game |
|---|---|---|---|
| Robin Roberts | PHI | 6.73 | 195109250_SFN_PHI |
| Warren Spahn | ATL | 5.93 | 195109251_LAN_ATL |
| Preacher Roe | LAN | 4.98 | 195109270_LAN_ATL |
| Early Wynn | CLE | 4.61 | 195109250_CLE_CHA |
| Larry Jansen | SFN | 2.85 | 195109260_SFN_PHI |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Jim Wilson | ATL | -2.48 | 195109252_LAN_ATL |
| Turk Lown | CHN | -2.44 | 195109250_CHN_PIT |
| Sid Hudson | MIN | -1.95 | 195109260_BOS_MIN |
| Ray Scarborough | BOS | -1.7 | 195109260_BOS_MIN |
| Mel Queen | PIT | -0.53 | 195109250_CHN_PIT |
Based on accumulated WAA for this season up to 1951-09-27.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +006+ | 7.78 | Robin Roberts | 300.3 | PHI |
| +008+ | 7.32 | Warren Spahn | 302.3 | ATL |
| +010+ | 6.83 | Sal Maglie | 281 | SFN |
| +011+ | 6.67 | Preacher Roe | 256.3 | LAN |
| +012+ | 6.62 | Early Wynn | 274.3 | CLE |
| +015+ | 6.09 | Larry Jansen | 268.7 | SFN |
| +017+ | 6 | Saul Rogovin | 216.7 | TOT |
| +018+ | 5.94 | Eddie Lopat | 228.3 | NYA |
| +022+ | 5.29 | Mike Garcia | 253.7 | CLE |
| +025+ | 5.15 | Billy Pierce | 240 | CHA |
| +027+ | 4.62 | Allie Reynolds | 212.3 | NYA |
| +032+ | 4.25 | Chet Nichols | 156.3 | ATL |
| +033+ | 4.18 | Vic Raschi | 249.3 | NYA |
| +034+ | 4.15 | Mel Parnell | 218 | BOS |
| +035+ | 4.02 | Ralph Branca | 194.7 | LAN |
| +036+ | 4 | Bubba Church | 243 | PHI |
| +041+ | 3.59 | Vern Bickford | 162.7 | ATL |
| +043+ | 3.5 | Ken Raffensberger | 248.7 | CIN |
| +048+ | 3.41 | Bob Feller | 249.3 | CLE |
| +052+ | 3.29 | Don Newcombe | 249.3 | LAN |
| +053+ | 3.25 | Al Brazle | 155 | SLN |
| +054+ | 3.23 | Bob Lemon | 263 | CLE |
| +055+ | 3.19 | Steve Gromek | 107 | CLE |
| +056+ | 3.14 | Ewell Blackwell | 227 | CIN |
| +058+ | 2.88 | Sam Zoldak | 128 | OAK |
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