| Starter | Tm | Tier | Game |
|---|---|---|---|
| Warren Spahn | ATL | 9.37 | 195106240_ATL_SLN |
| Sal Maglie | SFN | 5.64 | 195106220_SFN_CHN |
| Ralph Branca | LAN | 4.5 | 195106220_LAN_PIT |
| Bob Feller | CLE | 4.22 | 195106220_CLE_NYA |
| Randy Gumpert | CHA | 2.72 | 195106220_CHA_BOS |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Al Widmar | BAL | -3 | 195106220_BAL_OAK |
| Bill Wight | BOS | -2.87 | 195106242_CHA_BOS |
| Alex Kellner | OAK | -1.79 | 195106220_BAL_OAK |
| Bill Werle | PIT | -1.28 | 195106230_LAN_PIT |
| Cliff Chambers | SLN | -1.12 | 195106240_ATL_SLN |
Based on accumulated WAA for this season up to 1951-06-24.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +002+ | 5.1 | Warren Spahn | 131.3 | ATL |
| +003+ | 4.95 | Sal Maglie | 124 | SFN |
| +006+ | 4.09 | Eddie Lopat | 104.7 | NYA |
| +009+ | 3.52 | Vern Bickford | 115 | ATL |
| +010+ | 3.49 | Ralph Branca | 69 | LAN |
| +011+ | 3.48 | Bob Feller | 102 | CLE |
| +012+ | 3.26 | Gerry Staley | 103 | SLN |
| +014+ | 3.2 | Preacher Roe | 114 | LAN |
| +019+ | 2.72 | Robin Roberts | 125.7 | PHI |
| +021+ | 2.64 | Vic Raschi | 119.7 | NYA |
| +022+ | 2.58 | Joe Presko | 77 | SLN |
| +024+ | 2.49 | Allie Reynolds | 90.7 | NYA |
| +034+ | 2.24 | Randy Gumpert | 66.3 | CHA |
| +035+ | 2.24 | Bob Cain | 82.3 | TOT |
| +036+ | 2.15 | Bubba Church | 92.7 | PHI |
| +041+ | 2.01 | Don Newcombe | 101.7 | LAN |
| +042+ | 1.92 | Larry Jansen | 123 | SFN |
| +043+ | 1.89 | Harry Brecheen | 53 | SLN |
| +046+ | 1.84 | Russ Meyer | 91.7 | PHI |
| +048+ | 1.74 | Mike Garcia | 86.7 | CLE |
| +049+ | 1.71 | Connie Marrero | 84.7 | MIN |
| +052+ | 1.65 | Ken Raffensberger | 103 | CIN |
| +054+ | 1.63 | Ewell Blackwell | 105 | CIN |
| +055+ | 1.62 | Fritz Dorish | 34 | CHA |
| +060+ | 1.51 | Howie Fox | 88.7 | CIN |
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