| Starter | Tm | Tier | Game |
|---|---|---|---|
| Vern Bickford | ATL | 5.6 | 195009070_ATL_SFN |
| Art Houtteman | DET | 4.74 | 195009070_CLE_DET |
| Robin Roberts | PHI | 4.39 | 195009070_LAN_PHI |
| Larry Jansen | SFN | 4.19 | 195009060_ATL_SFN |
| Preacher Roe | LAN | 4.11 | 195009050_SFN_LAN |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Hank Wyse | OAK | -4.23 | 195009070_OAK_MIN |
| Cliff Fannin | BAL | -2.17 | 195009060_BAL_CHA |
| Gerry Staley | SLN | -1.11 | 195009050_CHN_SLN |
| Carl Erskine | LAN | -1.1 | 195009070_LAN_PHI |
| Eddie Erautt | CIN | -0.78 | 195009070_PIT_CIN |
Based on accumulated WAA for this season up to 1950-09-07.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +005+ | 7.31 | Vern Bickford | 268.7 | ATL |
| +007+ | 7.02 | Robin Roberts | 249 | PHI |
| +009+ | 6.86 | Larry Jansen | 229.7 | SFN |
| +010+ | 6.79 | Max Lanier | 169 | SLN |
| +015+ | 6.45 | Bubba Church | 128.7 | PHI |
| +016+ | 6.43 | Warren Spahn | 247.7 | ATL |
| +017+ | 6.33 | Sal Maglie | 161.3 | SFN |
| +021+ | 5.67 | Art Houtteman | 240 | DET |
| +022+ | 5.6 | Preacher Roe | 212 | LAN |
| +024+ | 5.38 | Ewell Blackwell | 225.7 | CIN |
| +025+ | 5.23 | Early Wynn | 189.3 | CLE |
| +028+ | 4.97 | Don Newcombe | 220.3 | LAN |
| +031+ | 4.54 | Curt Simmons | 207.7 | PHI |
| +032+ | 4.52 | Allie Reynolds | 207 | NYA |
| +033+ | 4.51 | Howie Pollet | 199.7 | SLN |
| +038+ | 4.31 | Ned Garver | 213.7 | BAL |
| +048+ | 3.69 | Lou Brissie | 227.7 | OAK |
| +050+ | 3.65 | Eddie Lopat | 202.7 | NYA |
| +051+ | 3.64 | Jim Hearn | 92.3 | TOT |
| +055+ | 3.07 | Bob Miller | 157.7 | PHI |
| +059+ | 2.81 | Mel Parnell | 209 | BOS |
| +063+ | 2.67 | Bob Lemon | 250 | CLE |
| +064+ | 2.53 | Bob Feller | 210 | CLE |
| +066+ | 2.16 | Dizzy Trout | 146.7 | DET |
| +067+ | 2.13 | Whitey Ford | 69.7 | NYA |
_