| Starter | Tm | Tier | Game |
|---|---|---|---|
| Hank Wyse | OAK | -3.78 | 195009100_OAK_BOS |
| Herm Wehmeier | CIN | -3.67 | 195009101_CHN_CIN |
| Walt Masterson | BOS | -1.91 | 195009092_OAK_BOS |
| Randy Gumpert | CHA | -1.05 | 195009101_DET_CHA |
| Johnny Klippstein | CHN | -0.75 | 195009092_CHN_CIN |
Based on accumulated WAA for this season up to 1950-09-11.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +006+ | 7.29 | Vern Bickford | 268.7 | ATL |
| +007+ | 7.28 | Sal Maglie | 171.3 | SFN |
| +010+ | 7.05 | Larry Jansen | 238.7 | SFN |
| +011+ | 7 | Robin Roberts | 249 | PHI |
| +013+ | 6.71 | Warren Spahn | 256.7 | ATL |
| +014+ | 6.7 | Max Lanier | 169 | SLN |
| +016+ | 6.52 | Bubba Church | 133.7 | PHI |
| +017+ | 6.43 | Art Houtteman | 249 | DET |
| +021+ | 5.84 | Preacher Roe | 219 | LAN |
| +025+ | 5.31 | Ewell Blackwell | 226 | CIN |
| +026+ | 5.21 | Ned Garver | 223.7 | BAL |
| +027+ | 5.12 | Early Wynn | 189.3 | CLE |
| +031+ | 4.77 | Curt Simmons | 214.3 | PHI |
| +035+ | 4.42 | Allie Reynolds | 207 | NYA |
| +038+ | 4.24 | Howie Pollet | 206.3 | SLN |
| +040+ | 4.08 | Don Newcombe | 224.3 | LAN |
| +041+ | 4.03 | Eddie Lopat | 207.3 | NYA |
| +049+ | 3.75 | Jim Hearn | 100 | TOT |
| +053+ | 3.26 | Lou Brissie | 232 | OAK |
| +054+ | 3.12 | Bob Feller | 219 | CLE |
| +055+ | 3.09 | Bob Miller | 158 | PHI |
| +058+ | 2.81 | Whitey Ford | 78.7 | NYA |
| +061+ | 2.77 | Dizzy Trout | 155.7 | DET |
| +063+ | 2.7 | Mel Parnell | 209 | BOS |
| +067+ | 2.52 | Vic Raschi | 223.3 | NYA |
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