| Starter | Tm | Tier | Game |
|---|---|---|---|
| Lou Fette | ATL | 7.99 | 193907140_SLN_ATL |
| Red Ruffing | NYA | 5.16 | 193907140_NYA_DET |
| Bob Feller | CLE | 4.38 | 193907130_BOS_CLE |
| Paul Derringer | CIN | 2.95 | 193907140_CIN_SFN |
| Tommy Bridges | DET | 2.24 | 193907150_NYA_DET |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Buck Ross | OAK | -5.21 | 193907140_OAK_CHA |
| Hugh Mulcahy | PHI | -4.86 | 193907130_CHN_PHI |
| Lefty Mills | BAL | -3.91 | 193907140_MIN_BAL |
| Schoolboy Rowe | DET | -1.03 | 193907140_NYA_DET |
| Jack Wilson | BOS | -0.7 | 193907130_BOS_CLE |
Based on accumulated WAA for this season up to 1939-07-15.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +001+ | 7.2 | Bucky Walters | 160.3 | CIN |
| +002+ | 5.45 | Bob Feller | 152.3 | CLE |
| +004+ | 5.13 | Lou Fette | 100.3 | ATL |
| +007+ | 5.02 | Tommy Bridges | 120.3 | DET |
| +008+ | 4.98 | Red Ruffing | 126 | NYA |
| +009+ | 4.82 | Whit Wyatt | 98.3 | LAN |
| +015+ | 4.12 | Mace Brown | 86.3 | PIT |
| +016+ | 3.92 | Atley Donald | 95.3 | NYA |
| +021+ | 3.53 | Bump Hadley | 81.3 | NYA |
| +022+ | 3.41 | Lefty Grove | 102 | BOS |
| +026+ | 3.2 | Bill Lohrman | 93.3 | SFN |
| +027+ | 3.11 | Paul Derringer | 140.7 | CIN |
| +030+ | 3.03 | Bobo Newsom | 149.7 | TOT |
| +031+ | 2.84 | Curt Davis | 131 | SLN |
| +032+ | 2.73 | Lefty Gomez | 96 | NYA |
| +034+ | 2.64 | Whitey Moore | 98.7 | CIN |
| +036+ | 2.49 | Danny MacFayden | 109.7 | ATL |
| +037+ | 2.42 | Lon Warneke | 110.7 | SLN |
| +038+ | 2.42 | Bob Klinger | 126.7 | PIT |
| +040+ | 2.37 | Bill Swift | 57.3 | PIT |
| +042+ | 2.28 | Hugh Casey | 78 | LAN |
| +044+ | 2.2 | Milt Shoffner | 98.3 | ATL |
| +045+ | 2.14 | Claude Passeau | 130 | TOT |
| +049+ | 1.98 | Ted Lyons | 91 | CHA |
| +056+ | 1.76 | Mort Cooper | 82 | SLN |
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