| Starter | Tm | Tier | Game |
|---|---|---|---|
| Warren Spahn | ATL | 5.98 | 195008310_ATL_LAN |
| Preacher Roe | LAN | 4.97 | 195009010_SFN_LAN |
| Art Houtteman | DET | 4.35 | 195008310_DET_MIN |
| Larry Jansen | SFN | 4.03 | 195009020_SFN_LAN |
| Bubba Church | PHI | 3.46 | 195009010_PHI_ATL |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Carl Scheib | OAK | -4.51 | 195009020_BOS_OAK |
| Cliff Fannin | BAL | -2.89 | 195008312_BAL_OAK |
| Walt Masterson | BOS | -2.1 | 195008310_CHA_BOS |
| Gene Bearden | MIN | -1.19 | 195008310_DET_MIN |
| Vern Law | PIT | -0.83 | 195009020_SLN_PIT |
Based on accumulated WAA for this season up to 1950-09-02.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +004+ | 7.18 | Max Lanier | 165.3 | SLN |
| +007+ | 6.74 | Art Houtteman | 232.3 | DET |
| +009+ | 6.61 | Vern Bickford | 249.7 | ATL |
| +012+ | 6.52 | Robin Roberts | 234 | PHI |
| +013+ | 6.35 | Larry Jansen | 220.7 | SFN |
| +015+ | 6.15 | Bubba Church | 120.7 | PHI |
| +016+ | 6.12 | Warren Spahn | 238.7 | ATL |
| +018+ | 5.65 | Preacher Roe | 205 | LAN |
| +019+ | 5.55 | Sal Maglie | 152.3 | SFN |
| +022+ | 5.33 | Ewell Blackwell | 216.7 | CIN |
| +024+ | 5.28 | Allie Reynolds | 203 | NYA |
| +025+ | 5.02 | Early Wynn | 182.3 | CLE |
| +026+ | 4.86 | Howie Pollet | 193.3 | SLN |
| +034+ | 4.42 | Eddie Lopat | 196.7 | NYA |
| +035+ | 4.38 | Ned Garver | 205 | BAL |
| +039+ | 4.26 | Curt Simmons | 199.3 | PHI |
| +044+ | 3.9 | Don Newcombe | 204.3 | LAN |
| +046+ | 3.86 | Bob Miller | 154 | PHI |
| +052+ | 3.53 | Lou Brissie | 220.7 | OAK |
| +056+ | 3.08 | Bob Lemon | 242 | CLE |
| +058+ | 2.79 | Jim Hearn | 83.3 | TOT |
| +060+ | 2.74 | Bob Feller | 200.7 | CLE |
| +062+ | 2.6 | Whitey Ford | 67.7 | NYA |
| +063+ | 2.53 | Dave Koslo | 163.7 | SFN |
| +065+ | 2.44 | Mel Parnell | 200 | BOS |
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