| Starter | Tm | Tier | Game |
|---|---|---|---|
| Warren Spahn | ATL | 6.42 | 195007010_ATL_SFN |
| Larry Jansen | SFN | 6.14 | 195007030_LAN_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 |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Herm Wehmeier | CIN | -3.58 | 195007020_CHN_CIN |
| Mel Queen | PIT | -1.75 | 195007010_PIT_SLN |
| Ken Holcombe | CHA | -1.53 | 195007030_DET_CHA |
| Fritz Dorish | BAL | -1.41 | 195007021_BAL_CHA |
| Russ Meyer | PHI | -1.1 | 195007021_LAN_PHI |
Based on accumulated WAA for this season up to 1950-07-03.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +004+ | 5.81 | Larry Jansen | 125.3 | SFN |
| +006+ | 5.18 | Warren Spahn | 142.3 | ATL |
| +007+ | 4.62 | Vern Bickford | 143 | ATL |
| +008+ | 4.55 | Bob Miller | 81.3 | PHI |
| +009+ | 4.53 | Howie Pollet | 110.7 | SLN |
| +011+ | 4.18 | Art Houtteman | 133.7 | DET |
| +013+ | 3.98 | Preacher Roe | 113.3 | LAN |
| +015+ | 3.86 | Ewell Blackwell | 111 | CIN |
| +016+ | 3.77 | Bob Rush | 119.7 | CHN |
| +018+ | 3.71 | Robin Roberts | 125.3 | PHI |
| +019+ | 3.63 | Max Lanier | 82.7 | SLN |
| +024+ | 3.11 | Harry Brecheen | 72 | SLN |
| +028+ | 2.88 | Ray Scarborough | 121.3 | TOT |
| +030+ | 2.82 | Allie Reynolds | 118.7 | NYA |
| +035+ | 2.62 | Bob Feller | 113.7 | CLE |
| +038+ | 2.5 | Bob Cain | 85.3 | CHA |
| +039+ | 2.49 | Mike Garcia | 87.7 | CLE |
| +041+ | 2.34 | Ned Garver | 109.7 | BAL |
| +045+ | 2.1 | Joe Ostrowski | 74 | TOT |
| +046+ | 2.03 | Red Munger | 89.3 | SLN |
| +051+ | 1.96 | Bubba Church | 38.7 | PHI |
| +050+ | 1.96 | Bill Wight | 105.7 | CHA |
| +053+ | 1.92 | Ken Heintzelman | 80.3 | PHI |
| +054+ | 1.9 | Joe Dobson | 122.3 | BOS |
| +056+ | 1.86 | Dave Koslo | 96.7 | SFN |
_