| Starter | Tm | Tier | Game |
|---|---|---|---|
| Lou Fette | ATL | 7.74 | 193905220_ATL_CHN |
| Lefty Grove | BOS | 4.42 | 193905210_DET_BOS |
| Bill Lee | CHN | 4.14 | 193905220_ATL_CHN |
| Lefty Gomez | NYA | 3.92 | 193905210_CLE_NYA |
| Carl Hubbell | SFN | 3.74 | 193905210_SFN_PIT |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Vern Kennedy | BAL | -2.98 | 193905220_BAL_OAK |
| Hugh Mulcahy | PHI | -2.8 | 193905210_PHI_SLN |
| Bobo Newsom | DET | -2.26 | 193905230_DET_BOS |
| Lynn Nelson | OAK | -1.23 | 193905230_BAL_OAK |
| Jack Knott | CHA | -0.76 | 193905230_CHA_MIN |
Based on accumulated WAA for this season up to 1939-05-23.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +001+ | 3.46 | Lou Fette | 57 | ATL |
| +002+ | 3.07 | Curt Davis | 57 | SLN |
| +003+ | 2.82 | Tommy Bridges | 51 | DET |
| +004+ | 2.74 | Red Ruffing | 50 | NYA |
| +005+ | 2.61 | Lon Warneke | 52.3 | SLN |
| +009+ | 2.05 | Whit Wyatt | 44.7 | LAN |
| +015+ | 1.74 | Bucky Walters | 59.3 | CIN |
| +018+ | 1.65 | Bill Lee | 64.7 | CHN |
| +019+ | 1.6 | Willis Hudlin | 49.3 | CLE |
| +020+ | 1.59 | Vito Tamulis | 34.7 | LAN |
| +023+ | 1.54 | Whitey Moore | 46.3 | CIN |
| +024+ | 1.46 | Al Milnar | 37 | CLE |
| +025+ | 1.44 | Ted Lyons | 35 | CHA |
| +027+ | 1.43 | Joe Bowman | 38 | PIT |
| +028+ | 1.4 | Van Mungo | 37.3 | LAN |
| +030+ | 1.38 | Bob Feller | 62.3 | CLE |
| +033+ | 1.31 | Dizzy Dean | 14 | CHN |
| XXXXX | 1.22 | Atley Donald | 25.7 | NYA |
| XXXXX | 1.22 | Bill McGee | 21 | SLN |
| XXXXX | 1.21 | George Caster | 56.3 | OAK |
| XXXXX | 1.2 | Syl Johnson | 17.3 | PHI |
| XXXXX | 1.19 | Kirby Higbe | 21.7 | CHN |
| XXXXX | 1.18 | Lynn Nelson | 28.7 | OAK |
| XXXXX | 1.16 | Lefty Grove | 43.3 | BOS |
| XXXXX | 1.09 | Lee Grissom | 33 | CIN |
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