| Starter | Tm | Tier | Game |
|---|---|---|---|
| Warren Spahn | ATL | 6.42 | 195007010_ATL_SFN |
| Bob Miller | PHI | 6.01 | 195007010_LAN_PHI |
| Howie Pollet | SLN | 4.51 | 195007010_PIT_SLN |
| Art Houtteman | DET | 4.34 | 195007021_DET_CLE |
| Ewell Blackwell | CIN | 3.22 | 195007010_CHN_CIN |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Hank Wyse | OAK | -4.1 | 195006301_OAK_MIN |
| Herm Wehmeier | CIN | -3.58 | 195007020_CHN_CIN |
| Gerry Staley | SLN | -2.16 | 195006300_PIT_SLN |
| Mel Queen | PIT | -1.75 | 195007010_PIT_SLN |
| Walt Masterson | BOS | -1.52 | 195006302_NYA_BOS |
Based on accumulated WAA for this season up to 1950-07-02.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +005+ | 5.21 | Warren Spahn | 142.3 | ATL |
| +006+ | 5.11 | Larry Jansen | 114.3 | SFN |
| +007+ | 4.57 | Bob Miller | 81.3 | PHI |
| +008+ | 4.56 | Howie Pollet | 110.7 | SLN |
| +009+ | 4.21 | Art Houtteman | 133.7 | DET |
| +012+ | 3.91 | Vern Bickford | 134 | ATL |
| +013+ | 3.88 | Ewell Blackwell | 109 | CIN |
| +016+ | 3.81 | Bob Rush | 119.7 | CHN |
| +017+ | 3.74 | Robin Roberts | 125.3 | PHI |
| +018+ | 3.65 | Max Lanier | 82.7 | SLN |
| +019+ | 3.6 | Preacher Roe | 103.3 | LAN |
| +023+ | 3.13 | Harry Brecheen | 72 | SLN |
| +026+ | 2.91 | Ray Scarborough | 121.3 | TOT |
| +030+ | 2.83 | Allie Reynolds | 118.7 | NYA |
| +036+ | 2.65 | Bob Feller | 113.7 | CLE |
| +039+ | 2.52 | Bob Cain | 85.3 | CHA |
| +038+ | 2.52 | Mike Garcia | 87.7 | CLE |
| +040+ | 2.37 | Ned Garver | 109.7 | BAL |
| +045+ | 2.06 | Red Munger | 89.3 | SLN |
| +046+ | 2.04 | Joe Ostrowski | 73.3 | TOT |
| +048+ | 1.99 | Bill Wight | 105.7 | CHA |
| +049+ | 1.97 | Bubba Church | 38.7 | PHI |
| +053+ | 1.94 | Joe Dobson | 122.3 | BOS |
| +054+ | 1.93 | Dave Koslo | 96.7 | SFN |
| +057+ | 1.84 | Sid Hudson | 109 | MIN |
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