| Starter | Tm | Tier | Game |
|---|---|---|---|
| Lou Fette | ATL | 8.2 | 193906270_LAN_ATL |
| Red Ruffing | NYA | 4.73 | 193906291_NYA_MIN |
| Dizzy Dean | CHN | 3.43 | 193906280_CHN_SLN |
| Russ Bauers | PIT | 2.99 | 193906270_PIT_CIN |
| Bob Feller | CLE | 2.32 | 193906270_DET_CLE |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Hugh Mulcahy | PHI | -2.98 | 193906280_PHI_SFN |
| Johnny Marcum | CHA | -2.34 | 193906292_BAL_CHA |
| Bill Trotter | BAL | -1.34 | 193906270_BAL_CHA |
| Lynn Nelson | OAK | -1.32 | 193906281_NYA_OAK |
| Harry Kelley | MIN | -1.03 | 193906270_BOS_MIN |
Based on accumulated WAA for this season up to 1939-06-29.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +001+ | 5.45 | Tommy Bridges | 103.7 | DET |
| +002+ | 5.27 | Bucky Walters | 122.7 | CIN |
| +003+ | 5.15 | Bob Feller | 131 | CLE |
| +004+ | 5.1 | Lou Fette | 91 | ATL |
| +006+ | 4.6 | Whit Wyatt | 80.7 | LAN |
| +008+ | 4.4 | Red Ruffing | 108 | NYA |
| +012+ | 3.55 | Curt Davis | 115.7 | SLN |
| +014+ | 3.41 | Atley Donald | 75.3 | NYA |
| +020+ | 3.13 | Lon Warneke | 97 | SLN |
| +022+ | 3.05 | Lefty Grove | 87 | BOS |
| +023+ | 3.03 | Lefty Gomez | 82 | NYA |
| +026+ | 2.91 | Bill Lohrman | 69.3 | SFN |
| +027+ | 2.79 | Whitey Moore | 91.3 | CIN |
| +028+ | 2.58 | Paul Derringer | 116.7 | CIN |
| +031+ | 2.45 | Willis Hudlin | 95.7 | CLE |
| +032+ | 2.43 | Dizzy Dean | 44 | CHN |
| +039+ | 2.32 | Bump Hadley | 66.7 | NYA |
| +045+ | 1.93 | Bob Weiland | 68.7 | SLN |
| +046+ | 1.88 | Hugh Casey | 57.7 | LAN |
| +047+ | 1.86 | Bob Klinger | 110 | PIT |
| +049+ | 1.73 | Claude Passeau | 104.7 | TOT |
| +054+ | 1.58 | Ted Lyons | 80 | CHA |
| +055+ | 1.57 | Syl Johnson | 37 | PHI |
| +059+ | 1.41 | Bill Swift | 44.3 | PIT |
| +060+ | 1.36 | Lee Grissom | 70.7 | CIN |
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