| Starter | Tm | Tier | Game |
|---|---|---|---|
| Lefty Grove | BOS | 4.89 | 193906111_BOS_CHA |
| Red Ruffing | NYA | 4.35 | 193906111_NYA_BAL |
| Dizzy Dean | CHN | 3.2 | 193906112_CHN_ATL |
| Danny MacFayden | ATL | 2.79 | 193906111_CHN_ATL |
| Bob Feller | CLE | 2.27 | 193906090_MIN_CLE |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Lefty Mills | BAL | -3.37 | 193906112_NYA_BAL |
| Ray Harrell | PHI | -2.03 | 193906102_SLN_PHI |
| Earl Whitehill | CHN | -1.76 | 193906100_CHN_ATL |
| Buck Ross | OAK | -1.19 | 193906090_OAK_DET |
| Bobo Newsom | DET | -1.14 | 193906110_MIN_DET |
Based on accumulated WAA for this season up to 1939-06-11.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +001+ | 4.6 | Lou Fette | 70 | ATL |
| +004+ | 3.85 | Bob Feller | 97.3 | CLE |
| +005+ | 3.77 | Tommy Bridges | 76.7 | DET |
| +006+ | 3.77 | Willis Hudlin | 86 | CLE |
| +007+ | 3.69 | Bucky Walters | 95.7 | CIN |
| +009+ | 3.43 | Whitey Moore | 84.7 | CIN |
| +011+ | 3 | Bump Hadley | 54.3 | NYA |
| +012+ | 2.96 | Lon Warneke | 78 | SLN |
| +015+ | 2.77 | Paul Derringer | 90.7 | CIN |
| +017+ | 2.68 | Curt Davis | 95.7 | SLN |
| +020+ | 2.58 | Bill McGee | 47.7 | SLN |
| +026+ | 2.29 | Whit Wyatt | 46.7 | LAN |
| +032+ | 2.14 | Bill Swift | 42.7 | PIT |
| +033+ | 2.08 | Red Ruffing | 78.3 | NYA |
| +034+ | 2.01 | Lefty Grove | 70 | BOS |
| +035+ | 2.01 | Lefty Gomez | 59 | NYA |
| +036+ | 1.99 | Atley Donald | 52.7 | NYA |
| +039+ | 1.84 | Hugh Casey | 37.3 | LAN |
| +043+ | 1.66 | Rip Sewell | 76.3 | PIT |
| +048+ | 1.55 | Bob Klinger | 89.3 | PIT |
| +051+ | 1.47 | Dizzy Dean | 25.3 | CHN |
| +054+ | 1.42 | Lee Grissom | 58.3 | CIN |
| +058+ | 1.25 | Van Mungo | 55.7 | LAN |
| XXXXX | 1.15 | Bob Weiland | 46 | SLN |
| XXXXX | 1.14 | Claude Passeau | 79.7 | TOT |
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