| Starter | Tm | Tier | Game |
|---|---|---|---|
| Lou Fette | ATL | 9.1 | 193905100_CHN_ATL |
| Lefty Gomez | NYA | 6.19 | 193905100_NYA_BAL |
| Paul Derringer | CIN | 2.02 | 193905120_SLN_CIN |
| Van Mungo | LAN | 1.97 | 193905110_CIN_LAN |
| Bob Feller | CLE | 1.41 | 193905100_OAK_CLE |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Ray Harrell | CHN | -2.15 | 193905100_CHN_ATL |
| Johnny Marcum | BAL | -1.22 | 193905100_NYA_BAL |
| Nels Potter | OAK | -0.76 | 193905100_OAK_CLE |
| Hy Vandenberg | SFN | -0.29 | 193905120_PHI_SFN |
| Bucky Walters | CIN | -0.22 | 193905110_CIN_LAN |
Based on accumulated WAA for this season up to 1939-05-12.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +001+ | 2.7 | Tommy Bridges | 36 | DET |
| +002+ | 2.48 | Lou Fette | 40 | ATL |
| +003+ | 2.25 | Al Milnar | 26 | CLE |
| +004+ | 2.16 | Lon Warneke | 35.3 | SLN |
| +005+ | 2.12 | Rip Sewell | 36.3 | PIT |
| +006+ | 1.95 | Curt Davis | 44 | SLN |
| +007+ | 1.78 | George Caster | 36 | OAK |
| +012+ | 1.63 | Whit Wyatt | 34.7 | LAN |
| +013+ | 1.58 | Danny MacFayden | 32.7 | ATL |
| +019+ | 1.37 | Red Ruffing | 32 | NYA |
| +020+ | 1.32 | Bob Feller | 47.3 | CLE |
| XXXXX | 1.18 | Harry Gumbert | 41.7 | SFN |
| XXXXX | 1.17 | Lefty Gomez | 27.7 | NYA |
| XXXXX | 1.16 | Bob Weiland | 20.7 | SLN |
| XXXXX | 1.16 | Bill Lee | 38.7 | CHN |
| XXXXX | 1.13 | Syl Johnson | 17.3 | PHI |
| XXXXX | 1.12 | Joe Bowman | 22 | PIT |
| XXXXX | 1.07 | Willis Hudlin | 31.3 | CLE |
| XXXXX | 0.98 | Bob Bowman | 21 | SLN |
| XXXXX | 0.93 | Woody Rich | 25.3 | BOS |
| XXXXX | 0.92 | Bob Klinger | 37 | PIT |
| XXXXX | 0.91 | Bill Posedel | 30 | ATL |
| XXXXX | 0.84 | Ted Lyons | 25 | CHA |
| XXXXX | 0.82 | Claude Passeau | 35 | PHI |
| XXXXX | 0.78 | Schoolboy Rowe | 22 | DET |
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