| Starter | Tm | Tier | Game |
|---|---|---|---|
| Robin Roberts | PHI | 5.42 | 195010010_PHI_LAN |
| Warren Spahn | ATL | 4.95 | 195010010_ATL_SFN |
| Larry Jansen | SFN | 4.44 | 195009300_ATL_SFN |
| Ned Garver | BAL | 2.84 | 195010011_BAL_CHA |
| Preacher Roe | LAN | 2.65 | 195009291_ATL_LAN |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Walt Masterson | BOS | -1.52 | 195009290_MIN_BOS |
| Gerry Staley | SLN | -1.4 | 195009301_CHN_SLN |
| Johnny Schmitz | CHN | -1.08 | 195009301_CHN_SLN |
| Joe Haynes | MIN | -1.05 | 195010010_MIN_OAK |
| Johnny Antonelli | ATL | -0.98 | 195009300_ATL_SFN |
Based on accumulated WAA for this season up to 1950-10-01.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +005+ | 8.8 | Robin Roberts | 304 | PHI |
| +007+ | 8.06 | Ewell Blackwell | 261 | CIN |
| +008+ | 7.98 | Larry Jansen | 274.7 | SFN |
| +009+ | 7.77 | Sal Maglie | 206 | SFN |
| +011+ | 7.35 | Warren Spahn | 294 | ATL |
| +020+ | 5.92 | Vern Bickford | 313.3 | ATL |
| +021+ | 5.88 | Ned Garver | 261 | BAL |
| +025+ | 5.76 | Jim Hearn | 134 | TOT |
| +026+ | 5.75 | Early Wynn | 213.7 | CLE |
| +028+ | 5.65 | Howie Pollet | 231 | SLN |
| +029+ | 5.64 | Preacher Roe | 250 | LAN |
| +030+ | 5.46 | Max Lanier | 181.7 | SLN |
| +035+ | 4.96 | Bubba Church | 141.7 | PHI |
| +038+ | 4.81 | Eddie Lopat | 236.7 | NYA |
| +039+ | 4.8 | Bob Feller | 246 | CLE |
| +041+ | 4.78 | Mel Parnell | 248.7 | BOS |
| +044+ | 4.43 | Art Houtteman | 275 | DET |
| +046+ | 4.36 | Curt Simmons | 214.3 | PHI |
| +047+ | 4.25 | Don Newcombe | 267.7 | LAN |
| +048+ | 4 | Whitey Ford | 112.3 | NYA |
| +052+ | 3.83 | Bill Wight | 207.3 | CHA |
| +054+ | 3.74 | Allie Reynolds | 240.7 | NYA |
| +058+ | 3.19 | Bob Rush | 255.7 | CHN |
| +059+ | 3.15 | Bob Lemon | 288 | CLE |
| +060+ | 3.06 | Erv Palica | 201 | LAN |
_