| Starter | Tm | Tier | Game |
|---|---|---|---|
| Mike Garcia | CLE | 5.44 | 195107290_CLE_BOS |
| Preacher Roe | LAN | 4.19 | 195107290_LAN_SLN |
| Eddie Lopat | NYA | 4.07 | 195107300_DET_NYA |
| Robin Roberts | PHI | 3.46 | 195107291_PHI_CHN |
| Sal Maglie | SFN | 3.39 | 195107291_SFN_CIN |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Alex Kellner | OAK | -2.79 | 195107310_CHA_OAK |
| Al Widmar | BAL | -2.29 | 195107291_BAL_MIN |
| Jim Wilson | ATL | -1.18 | 195107292_ATL_PIT |
| Turk Lown | CHN | -0.98 | 195107300_SFN_CHN |
| Cliff Chambers | SLN | -0.93 | 195107300_ATL_SLN |
Based on accumulated WAA for this season up to 1951-07-31.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +003+ | 5.67 | Sal Maglie | 188.3 | SFN |
| +005+ | 5.66 | Mike Garcia | 156.3 | CLE |
| +008+ | 5.02 | Warren Spahn | 177 | ATL |
| +009+ | 4.88 | Ralph Branca | 109 | LAN |
| +010+ | 4.69 | Preacher Roe | 170 | LAN |
| +012+ | 4.47 | Eddie Lopat | 153.7 | NYA |
| +014+ | 4.43 | Robin Roberts | 188 | PHI |
| +015+ | 4.42 | Don Newcombe | 160.7 | LAN |
| +019+ | 4.02 | Bubba Church | 164.7 | PHI |
| +022+ | 3.81 | Vern Bickford | 151.7 | ATL |
| +025+ | 3.63 | Mickey McDermott | 131.7 | BOS |
| +029+ | 3.4 | Allie Reynolds | 143 | NYA |
| +031+ | 3.34 | Saul Rogovin | 140.7 | TOT |
| +032+ | 3.14 | Bob Feller | 167 | CLE |
| +033+ | 2.99 | Larry Jansen | 176 | SFN |
| +034+ | 2.93 | Connie Marrero | 132 | MIN |
| +036+ | 2.81 | Vic Raschi | 170.7 | NYA |
| +040+ | 2.66 | Howie Fox | 148 | CIN |
| +045+ | 2.56 | Marlin Stuart | 55 | DET |
| +047+ | 2.52 | Early Wynn | 169.3 | CLE |
| +054+ | 2.17 | Ned Garver | 144 | BAL |
| +055+ | 2.16 | Harry Perkowski | 81.3 | CIN |
| +056+ | 2.16 | Russ Meyer | 150 | PHI |
| +060+ | 2.09 | Harry Brecheen | 91.7 | SLN |
| +061+ | 2.09 | Gerry Staley | 155.7 | SLN |
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