| Starter | Tm | Tier | Game |
|---|---|---|---|
| Red Ruffing | NYA | 5.41 | 193908050_CLE_NYA |
| Bob Feller | CLE | 3.34 | 193908061_CLE_NYA |
| Paul Derringer | CIN | 3.23 | 193908061_LAN_CIN |
| Carl Hubbell | SFN | 2.28 | 193908050_SFN_PIT |
| Danny MacFayden | ATL | 2.28 | 193908060_ATL_CHN |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Lefty Mills | BAL | -5.09 | 193908070_BAL_CLE |
| Buck Ross | OAK | -3.63 | 193908061_BAL_OAK |
| Elden Auker | BOS | -1.28 | 193908050_DET_BOS |
| Kirby Higbe | PHI | -0.38 | 193908061_PHI_SLN |
| Fred Hutchinson | DET | -0.32 | 193908061_DET_BOS |
Based on accumulated WAA for this season up to 1939-08-07.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +001+ | 10 | Bucky Walters | 205.3 | CIN |
| +003+ | 7.02 | Red Ruffing | 162 | NYA |
| +007+ | 5.88 | Bob Feller | 192.3 | CLE |
| +008+ | 5.83 | Lou Fette | 120.3 | ATL |
| +015+ | 4.68 | Atley Donald | 118.3 | NYA |
| +016+ | 4.57 | Paul Derringer | 186.7 | CIN |
| +017+ | 4.51 | Hugh Casey | 126.7 | LAN |
| +019+ | 4.37 | Bump Hadley | 107 | NYA |
| +020+ | 4.36 | Lefty Grove | 129 | BOS |
| +022+ | 4.01 | Tommy Bridges | 148.7 | DET |
| +023+ | 4.01 | Mort Cooper | 131 | SLN |
| +025+ | 3.92 | Ted Lyons | 125 | CHA |
| +027+ | 3.75 | Curt Davis | 172 | SLN |
| +029+ | 3.69 | Claude Passeau | 172 | TOT |
| +030+ | 3.6 | Mace Brown | 123.7 | PIT |
| +031+ | 3.52 | Dutch Leonard | 172.3 | MIN |
| +034+ | 3.41 | Bob Klinger | 163 | PIT |
| +035+ | 3.36 | Carl Hubbell | 82.3 | SFN |
| +036+ | 3.19 | Milt Shoffner | 123.3 | ATL |
| +037+ | 3.18 | Bill Lohrman | 119.7 | SFN |
| +038+ | 3.14 | Whitey Moore | 130.3 | CIN |
| +043+ | 2.93 | Bill Posedel | 154.7 | ATL |
| +044+ | 2.91 | Danny MacFayden | 146 | ATL |
| +047+ | 2.88 | Bobo Newsom | 191.3 | TOT |
| +049+ | 2.72 | Lon Warneke | 130.7 | SLN |
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