| Starter | Tm | Tier | Game |
|---|---|---|---|
| Robin Roberts | PHI | 6.36 | 195109290_LAN_PHI |
| Warren Spahn | ATL | 5.61 | 195109290_SFN_ATL |
| Preacher Roe | LAN | 4.98 | 195109270_LAN_ATL |
| Sal Maglie | SFN | 4.84 | 195109290_SFN_ATL |
| Eddie Lopat | NYA | 3.74 | 195109291_BOS_NYA |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Dick Starr | MIN | -5.68 | 195109290_OAK_MIN |
| Duane Pillette | BAL | -1.84 | 195109282_CHA_BAL |
| Alex Kellner | OAK | -1.38 | 195109290_OAK_MIN |
| Chuck Stobbs | BOS | -0.84 | 195109270_BOS_MIN |
| Carl Erskine | LAN | -0.48 | 195109280_LAN_PHI |
Based on accumulated WAA for this season up to 1951-09-29.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +006+ | 8.03 | Robin Roberts | 308.3 | PHI |
| +008+ | 7.6 | Sal Maglie | 290 | SFN |
| +009+ | 7.57 | Warren Spahn | 310.3 | ATL |
| +012+ | 6.62 | Preacher Roe | 256.3 | LAN |
| +013+ | 6.46 | Early Wynn | 274.3 | CLE |
| +014+ | 6.44 | Eddie Lopat | 234.3 | NYA |
| +016+ | 6.01 | Larry Jansen | 268.7 | SFN |
| +017+ | 5.93 | Saul Rogovin | 216.7 | TOT |
| +022+ | 5.41 | Allie Reynolds | 221.3 | NYA |
| +024+ | 5.15 | Mike Garcia | 253.7 | CLE |
| +027+ | 5.09 | Billy Pierce | 240 | CHA |
| +031+ | 4.33 | Vic Raschi | 258.3 | NYA |
| +033+ | 4.21 | Chet Nichols | 156.3 | ATL |
| +034+ | 4.08 | Don Newcombe | 258.3 | LAN |
| +036+ | 3.98 | Ralph Branca | 194.7 | LAN |
| +037+ | 3.94 | Bubba Church | 243 | PHI |
| +039+ | 3.81 | Mel Parnell | 221 | BOS |
| +047+ | 3.43 | Ken Raffensberger | 248.7 | CIN |
| +049+ | 3.43 | Ewell Blackwell | 233 | CIN |
| +048+ | 3.43 | Vern Bickford | 163.7 | ATL |
| +052+ | 3.27 | Bob Feller | 249.3 | CLE |
| +054+ | 3.2 | Al Brazle | 155 | SLN |
| +055+ | 3.13 | Steve Gromek | 107 | CLE |
| +056+ | 3.08 | Bob Lemon | 263 | CLE |
| +059+ | 2.85 | Sam Zoldak | 128 | OAK |
_