| Starter | Tm | Tier | Game |
|---|---|---|---|
| Lou Fette | ATL | 7.2 | 193905140_LAN_ATL |
| Red Ruffing | NYA | 5.21 | 193905140_NYA_OAK |
| Lefty Grove | BOS | 4.77 | 193905140_BOS_MIN |
| Carl Hubbell | SFN | 3.21 | 193905140_PHI_SFN |
| Thornton Lee | CHA | 2.19 | 193905140_CLE_CHA |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Wes Ferrell | NYA | -2.42 | 193905150_NYA_OAK |
| Buck Ross | OAK | -1.93 | 193905150_NYA_OAK |
| Johnny Marcum | BAL | -1.79 | 193905141_DET_BAL |
| Slick Coffman | DET | -1.44 | 193905142_DET_BAL |
| Ken Chase | MIN | -1.3 | 193905150_BOS_MIN |
Based on accumulated WAA for this season up to 1939-05-16.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +001+ | 3.38 | Lou Fette | 49 | ATL |
| +002+ | 3.17 | Tommy Bridges | 45 | DET |
| +005+ | 2.28 | Curt Davis | 47 | SLN |
| +004+ | 2.28 | Al Milnar | 33 | CLE |
| +006+ | 2.25 | Red Ruffing | 41 | NYA |
| +007+ | 2.1 | Whit Wyatt | 43.7 | LAN |
| +008+ | 1.92 | Lon Warneke | 43.3 | SLN |
| +009+ | 1.86 | Bill Lee | 47.7 | CHN |
| +011+ | 1.79 | Joe Bowman | 31 | PIT |
| +012+ | 1.78 | Danny MacFayden | 41 | ATL |
| +019+ | 1.55 | Rip Sewell | 41.3 | PIT |
| +021+ | 1.54 | Woody Rich | 34.3 | BOS |
| +022+ | 1.51 | Willis Hudlin | 40.3 | CLE |
| +023+ | 1.44 | George Caster | 41.3 | OAK |
| +028+ | 1.34 | Bob Feller | 56.3 | CLE |
| +027+ | 1.34 | Bob Weiland | 26.7 | SLN |
| XXXXX | 1.18 | Lefty Gomez | 27.7 | NYA |
| XXXXX | 1.15 | Syl Johnson | 17.3 | PHI |
| XXXXX | 1.11 | Whitey Moore | 37.3 | CIN |
| XXXXX | 0.98 | Carl Hubbell | 12 | SFN |
| XXXXX | 0.96 | Lee Grissom | 25 | CIN |
| XXXXX | 0.95 | Bill Posedel | 30 | ATL |
| XXXXX | 0.93 | Lynn Nelson | 19.7 | OAK |
| XXXXX | 0.91 | Lefty Grove | 34.3 | BOS |
| XXXXX | 0.87 | Ted Lyons | 25 | CHA |
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