| Starter | Tm | Tier | Game |
|---|---|---|---|
| Red Ruffing | NYA | 6.36 | 193905301_NYA_BOS |
| Danny MacFayden | ATL | 3.82 | 193905280_ATL_LAN |
| Carl Hubbell | SFN | 3.6 | 193905302_LAN_SFN |
| Russ Bauers | PIT | 3.32 | 193905302_PIT_SLN |
| Dizzy Dean | CHN | 3.15 | 193905280_PIT_CHN |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Roxie Lawson | BAL | -3.82 | 193905290_BAL_DET |
| Hugh Mulcahy | PHI | -3.56 | 193905301_ATL_PHI |
| Bobo Newsom | DET | -1.67 | 193905280_BAL_DET |
| Buck Ross | OAK | -1.49 | 193905290_OAK_MIN |
| Ken Chase | MIN | -1.05 | 193905302_OAK_MIN |
Based on accumulated WAA for this season up to 1939-05-30.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +001+ | 3.61 | Lou Fette | 61 | ATL |
| +002+ | 3.54 | Curt Davis | 75.7 | SLN |
| +004+ | 2.97 | Lon Warneke | 65.7 | SLN |
| +005+ | 2.96 | Willis Hudlin | 67.3 | CLE |
| +007+ | 2.77 | Tommy Bridges | 60 | DET |
| +008+ | 2.75 | Bob Feller | 80.3 | CLE |
| +010+ | 2.38 | Bucky Walters | 77.3 | CIN |
| +015+ | 2.27 | Whitey Moore | 61.3 | CIN |
| +017+ | 2.21 | Whit Wyatt | 44.7 | LAN |
| +020+ | 2.09 | Lee Grissom | 46.7 | CIN |
| +021+ | 1.98 | Ted Lyons | 44 | CHA |
| +025+ | 1.94 | Red Ruffing | 62.3 | NYA |
| +027+ | 1.79 | Alex Carrasquel | 47.7 | MIN |
| +028+ | 1.79 | Dizzy Dean | 23 | CHN |
| +030+ | 1.7 | Rip Sewell | 61 | PIT |
| +033+ | 1.6 | Larry French | 56 | CHN |
| +035+ | 1.58 | Bump Hadley | 37.3 | NYA |
| +036+ | 1.55 | Syl Johnson | 27.3 | PHI |
| +038+ | 1.54 | Oral Hildebrand | 32.7 | NYA |
| +041+ | 1.42 | Al Milnar | 45 | CLE |
| +042+ | 1.42 | Carl Hubbell | 28.3 | SFN |
| +044+ | 1.38 | Paul Derringer | 69.3 | CIN |
| +047+ | 1.35 | George Caster | 56.3 | OAK |
| +049+ | 1.33 | Woody Rich | 46.3 | BOS |
| +051+ | 1.3 | Lefty Gomez | 43 | NYA |
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