| 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 |
|---|---|---|---|
| Lefty Mills | BAL | -4.63 | 193908240_NYA_BAL |
| Buck Ross | OAK | -4.13 | 193908241_OAK_CLE |
| Elden Auker | BOS | -0.94 | 193908240_BOS_CHA |
| Al Hollingsworth | LAN | -0.68 | 193908230_SLN_LAN |
| Hugh Mulcahy | PHI | -0.63 | 193908240_SLN_PHI |
Based on accumulated WAA for this season up to 1939-08-24.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +002+ | 10.26 | Bucky Walters | 235 | CIN |
| +003+ | 9.03 | Red Ruffing | 195 | NYA |
| +006+ | 7.54 | Bob Feller | 220.3 | CLE |
| +014+ | 5.31 | Paul Derringer | 219 | CIN |
| +015+ | 5.21 | Lou Fette | 136 | ATL |
| +017+ | 4.79 | Carl Hubbell | 103 | SFN |
| +022+ | 4.36 | Claude Passeau | 204 | TOT |
| +025+ | 4.27 | Bob Bowman | 120.3 | SLN |
| +028+ | 3.97 | Mace Brown | 147.3 | PIT |
| +029+ | 3.97 | Curt Davis | 195 | SLN |
| +030+ | 3.94 | Mort Cooper | 150.7 | SLN |
| +031+ | 3.87 | Ted Lyons | 129.7 | CHA |
| +033+ | 3.8 | Hugh Casey | 150 | LAN |
| +037+ | 3.61 | Dutch Leonard | 200.3 | MIN |
| +038+ | 3.6 | Tommy Bridges | 173 | DET |
| +039+ | 3.53 | Atley Donald | 138.7 | NYA |
| +041+ | 3.45 | Bill Lohrman | 147.7 | SFN |
| +042+ | 3.35 | Milt Shoffner | 142.7 | TOT |
| +045+ | 3.19 | Steve Sundra | 73 | NYA |
| +049+ | 3 | Bill Posedel | 175.3 | ATL |
| +053+ | 2.81 | Cliff Melton | 151.7 | SFN |
| +054+ | 2.8 | Bob Klinger | 181 | PIT |
| +056+ | 2.78 | Whitey Moore | 151 | CIN |
| +058+ | 2.74 | Danny MacFayden | 162 | ATL |
| +060+ | 2.63 | Mel Harder | 136.3 | CLE |
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