| Starter | Tm | Tier | Game |
|---|---|---|---|
| Max Lanier | SLN | 5.47 | 195009041_SLN_CIN |
| Vern Bickford | ATL | 5.23 | 195009041_LAN_ATL |
| Art Houtteman | DET | 4.68 | 195009041_BAL_DET |
| Robin Roberts | PHI | 4.17 | 195009041_SFN_PHI |
| Preacher Roe | LAN | 4.11 | 195009050_SFN_LAN |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Don Johnson | BAL | -4.69 | 195009030_CLE_BAL |
| Randy Gumpert | CHA | -1.61 | 195009042_CLE_CHA |
| Gerry Staley | SLN | -1.11 | 195009050_CHN_SLN |
| Willard Nixon | BOS | -1.06 | 195009042_BOS_MIN |
| Alex Kellner | OAK | -0.64 | 195009042_OAK_NYA |
Based on accumulated WAA for this season up to 1950-09-05.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +004+ | 7.13 | Art Houtteman | 239.3 | DET |
| +005+ | 7.07 | Vern Bickford | 259.7 | ATL |
| +006+ | 7.01 | Robin Roberts | 242 | PHI |
| +008+ | 6.86 | Max Lanier | 169 | SLN |
| +012+ | 6.48 | Warren Spahn | 247.7 | ATL |
| +015+ | 6.38 | Sal Maglie | 161.3 | SFN |
| +016+ | 6.21 | Larry Jansen | 220.7 | SFN |
| +017+ | 6.09 | Bubba Church | 120.7 | PHI |
| +020+ | 5.65 | Preacher Roe | 212 | LAN |
| +023+ | 5.18 | Allie Reynolds | 203 | NYA |
| +024+ | 5.17 | Ewell Blackwell | 216.7 | CIN |
| +027+ | 4.92 | Early Wynn | 182.3 | CLE |
| +029+ | 4.59 | Howie Pollet | 199.7 | SLN |
| +030+ | 4.51 | Ned Garver | 213 | BAL |
| +035+ | 4.32 | Eddie Lopat | 196.7 | NYA |
| +040+ | 4.17 | Curt Simmons | 199.3 | PHI |
| +046+ | 3.82 | Don Newcombe | 204.3 | LAN |
| +049+ | 3.74 | Lou Brissie | 227.7 | OAK |
| +051+ | 3.67 | Jim Hearn | 92.3 | TOT |
| +052+ | 3.56 | Bob Feller | 209.7 | CLE |
| +056+ | 3.11 | Bob Miller | 157.7 | PHI |
| +059+ | 2.94 | Bob Lemon | 250 | CLE |
| +063+ | 2.57 | Whitey Ford | 67.7 | NYA |
| +065+ | 2.42 | Dave Koslo | 163.7 | SFN |
| +066+ | 2.35 | Mel Parnell | 200 | BOS |
_