| Starter | Tm | Tier | Game |
|---|---|---|---|
| Lou Fette | ATL | 8.2 | 193906270_LAN_ATL |
| Lefty Grove | BOS | 4.1 | 193906260_BOS_MIN |
| Russ Bauers | PIT | 2.99 | 193906270_PIT_CIN |
| Bob Feller | CLE | 2.32 | 193906270_DET_CLE |
| Curt Davis | SLN | 1.5 | 193906252_ATL_SLN |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Buck Ross | OAK | -3.02 | 193906251_CLE_OAK |
| Bill Trotter | BAL | -1.34 | 193906270_BAL_CHA |
| Harry Kelley | MIN | -1.03 | 193906270_BOS_MIN |
| Oral Hildebrand | NYA | -0.83 | 193906252_BAL_NYA |
| Earl Whitehill | CHN | -0.74 | 193906270_CHN_SLN |
Based on accumulated WAA for this season up to 1939-06-27.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +001+ | 5.42 | Tommy Bridges | 103.7 | DET |
| +002+ | 5.24 | Bucky Walters | 122.7 | CIN |
| +003+ | 5.11 | Bob Feller | 131 | CLE |
| +004+ | 5.06 | Lou Fette | 91 | ATL |
| +005+ | 4.57 | Whit Wyatt | 80.7 | LAN |
| +011+ | 3.61 | Red Ruffing | 96.3 | NYA |
| +012+ | 3.42 | Curt Davis | 114.7 | SLN |
| +018+ | 3.1 | Lon Warneke | 97 | SLN |
| +021+ | 3.03 | Lefty Grove | 87 | BOS |
| +023+ | 2.98 | Dizzy Dean | 43.3 | CHN |
| +024+ | 2.78 | Atley Donald | 69.3 | NYA |
| +025+ | 2.76 | Whitey Moore | 91.3 | CIN |
| +027+ | 2.54 | Paul Derringer | 116.7 | CIN |
| +030+ | 2.48 | Bob Weiland | 68 | SLN |
| +032+ | 2.42 | Willis Hudlin | 95.7 | CLE |
| +033+ | 2.3 | Bump Hadley | 66.7 | NYA |
| +037+ | 2.18 | Bill Lohrman | 60.3 | SFN |
| +039+ | 2.1 | Lefty Gomez | 73 | NYA |
| +043+ | 1.86 | Hugh Casey | 57.7 | LAN |
| +044+ | 1.83 | Bob Klinger | 110 | PIT |
| +046+ | 1.68 | Claude Passeau | 104.7 | TOT |
| +051+ | 1.57 | George Caster | 96 | OAK |
| +052+ | 1.56 | Ted Lyons | 80 | CHA |
| +053+ | 1.56 | Syl Johnson | 37 | PHI |
| +058+ | 1.41 | Bill Lee | 111 | CHN |
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