| Starter | Tm | Tier | Game |
|---|---|---|---|
| Bucky Walters | CIN | 7.71 | 193908201_SLN_CIN |
| Bob Feller | CLE | 4.69 | 193908220_MIN_CLE |
| Lou Fette | ATL | 4 | 193908220_PIT_ATL |
| Carl Hubbell | SFN | 2.54 | 193908202_SFN_PHI |
| Curt Davis | SLN | 1.94 | 193908220_SLN_LAN |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Buck Ross | OAK | -4.37 | 193908201_OAK_NYA |
| Vern Kennedy | BAL | -2.79 | 193908200_DET_BAL |
| Max Butcher | PIT | -0.91 | 193908202_CHN_PIT |
| Hugh Mulcahy | PHI | -0.84 | 193908202_SFN_PHI |
| Denny Galehouse | BOS | -0.8 | 193908220_BOS_BAL |
Based on accumulated WAA for this season up to 1939-08-22.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +002+ | 10.23 | Bucky Walters | 235 | CIN |
| +003+ | 8.54 | Red Ruffing | 186 | NYA |
| +006+ | 7.54 | Bob Feller | 220.3 | CLE |
| +011+ | 5.54 | Lefty Grove | 147 | BOS |
| +013+ | 5.21 | Lou Fette | 136 | ATL |
| +014+ | 4.8 | Carl Hubbell | 103 | SFN |
| +016+ | 4.57 | Mort Cooper | 146.7 | SLN |
| +021+ | 4.4 | Paul Derringer | 210 | CIN |
| +026+ | 4.05 | Bob Bowman | 118.3 | SLN |
| +027+ | 3.93 | Curt Davis | 195 | SLN |
| +029+ | 3.87 | Ted Lyons | 129.7 | CHA |
| +030+ | 3.82 | Dutch Leonard | 194.3 | MIN |
| +031+ | 3.79 | Hugh Casey | 150 | LAN |
| +035+ | 3.68 | Claude Passeau | 195 | TOT |
| +036+ | 3.64 | Tommy Bridges | 173 | DET |
| +037+ | 3.5 | Milt Shoffner | 135.7 | TOT |
| +038+ | 3.46 | Bill Lohrman | 147.7 | SFN |
| +039+ | 3.34 | Mace Brown | 139.3 | PIT |
| +043+ | 3.19 | Steve Sundra | 73 | NYA |
| +046+ | 3.05 | Atley Donald | 129.7 | NYA |
| +051+ | 2.86 | Bob Weiland | 110.7 | SLN |
| +052+ | 2.81 | Cliff Melton | 151.7 | SFN |
| +053+ | 2.78 | Bob Klinger | 181 | PIT |
| +054+ | 2.76 | Whitey Moore | 151 | CIN |
| +056+ | 2.72 | Bill Swift | 96.3 | PIT |
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