| 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 |
| Larry Jansen | SFN | 4.19 | 195009060_ATL_SFN |
| Robin Roberts | PHI | 4.17 | 195009041_SFN_PHI |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Cliff Fannin | BAL | -2.17 | 195009060_BAL_CHA |
| 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 1950-09-06.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +004+ | 7.05 | Art Houtteman | 239.3 | DET |
| +005+ | 7 | Vern Bickford | 259.7 | ATL |
| +006+ | 6.93 | Robin Roberts | 242 | PHI |
| +008+ | 6.85 | Larry Jansen | 229.7 | SFN |
| +009+ | 6.78 | Max Lanier | 169 | SLN |
| +013+ | 6.44 | Bubba Church | 128.7 | PHI |
| +015+ | 6.41 | Warren Spahn | 247.7 | ATL |
| +016+ | 6.32 | Sal Maglie | 161.3 | SFN |
| +022+ | 5.58 | Preacher Roe | 212 | LAN |
| +023+ | 5.39 | Ewell Blackwell | 225.7 | CIN |
| +024+ | 5.38 | Early Wynn | 189.3 | CLE |
| +025+ | 5.12 | Allie Reynolds | 203 | NYA |
| +028+ | 4.95 | Don Newcombe | 220.3 | LAN |
| +033+ | 4.52 | Curt Simmons | 207.7 | PHI |
| +034+ | 4.49 | Howie Pollet | 199.7 | SLN |
| +037+ | 4.29 | Ned Garver | 213.7 | BAL |
| +049+ | 3.67 | Lou Brissie | 227.7 | OAK |
| +050+ | 3.63 | Jim Hearn | 92.3 | TOT |
| +051+ | 3.62 | Eddie Lopat | 202.7 | NYA |
| +053+ | 3.5 | Bob Feller | 209.7 | CLE |
| +056+ | 3.06 | Bob Miller | 157.7 | PHI |
| +060+ | 2.86 | Bob Lemon | 250 | CLE |
| +062+ | 2.79 | Mel Parnell | 209 | BOS |
| +066+ | 2.36 | Dave Koslo | 163.7 | SFN |
| +067+ | 2.27 | Dizzy Trout | 146.7 | DET |
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