| Starter | Tm | Tier | Game |
|---|---|---|---|
| Red Ruffing | NYA | 7.55 | 193908232_NYA_CHA |
| Bob Feller | CLE | 4.69 | 193908220_MIN_CLE |
| Lou Fette | ATL | 4 | 193908220_PIT_ATL |
| Paul Derringer | CIN | 2.13 | 193908230_CIN_PHI |
| Curt Davis | SLN | 1.94 | 193908220_SLN_LAN |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Jack Kramer | BAL | -1.88 | 193908230_BOS_BAL |
| Bill Beckmann | OAK | -1.74 | 193908220_OAK_DET |
| Denny Galehouse | BOS | -0.8 | 193908220_BOS_BAL |
| Al Hollingsworth | LAN | -0.68 | 193908230_SLN_LAN |
| Bill Dietrich | CHA | -0.34 | 193908220_NYA_CHA |
Based on accumulated WAA for this season up to 1939-08-23.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +002+ | 10.21 | Bucky Walters | 235 | CIN |
| +003+ | 9.01 | Red Ruffing | 195 | NYA |
| +006+ | 7.52 | Bob Feller | 220.3 | CLE |
| +012+ | 5.52 | Lefty Grove | 147 | BOS |
| +013+ | 5.27 | Paul Derringer | 219 | CIN |
| +014+ | 5.2 | Lou Fette | 136 | ATL |
| +017+ | 4.79 | Carl Hubbell | 103 | SFN |
| +022+ | 4.25 | Bob Bowman | 120.3 | SLN |
| +028+ | 3.96 | Mace Brown | 147.3 | PIT |
| +029+ | 3.94 | Curt Davis | 195 | SLN |
| +031+ | 3.86 | Ted Lyons | 129.7 | CHA |
| +032+ | 3.81 | Dutch Leonard | 194.3 | MIN |
| +033+ | 3.79 | Hugh Casey | 150 | LAN |
| +035+ | 3.75 | Mort Cooper | 149 | SLN |
| +036+ | 3.66 | Claude Passeau | 195 | TOT |
| +037+ | 3.59 | Tommy Bridges | 173 | DET |
| +038+ | 3.53 | Atley Donald | 138.7 | NYA |
| +039+ | 3.49 | Milt Shoffner | 135.7 | TOT |
| +040+ | 3.44 | Bill Lohrman | 147.7 | SFN |
| +044+ | 3.18 | Steve Sundra | 73 | NYA |
| +050+ | 2.98 | Bill Posedel | 175.3 | ATL |
| +053+ | 2.86 | Bob Weiland | 110.7 | SLN |
| +054+ | 2.8 | Cliff Melton | 151.7 | SFN |
| +056+ | 2.79 | Bob Klinger | 181 | PIT |
| +058+ | 2.75 | Whitey Moore | 151 | CIN |
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