| Starter | Tm | Tier | Game |
|---|---|---|---|
| Lou Fette | ATL | 7.49 | 193906080_PIT_ATL |
| Lefty Gomez | NYA | 3.69 | 193906070_NYA_CHA |
| Bob Feller | CLE | 2.27 | 193906090_MIN_CLE |
| Paul Derringer | CIN | 2.22 | 193906080_CIN_PHI |
| Bill Lee | CHN | 2.15 | 193906080_CHN_SFN |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Hugh Mulcahy | PHI | -4.28 | 193906080_CIN_PHI |
| Vern Kennedy | BAL | -2.26 | 193906091_BOS_BAL |
| Lynn Nelson | OAK | -1.63 | 193906070_OAK_DET |
| Ken Chase | MIN | -0.98 | 193906090_MIN_CLE |
| Bill Posedel | ATL | -0.79 | 193906090_PIT_ATL |
Based on accumulated WAA for this season up to 1939-06-09.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +001+ | 4.6 | Lou Fette | 70 | ATL |
| +002+ | 3.95 | Tommy Bridges | 69.7 | DET |
| +003+ | 3.91 | Bob Feller | 97.3 | CLE |
| +005+ | 3.6 | Whitey Moore | 81.3 | CIN |
| +006+ | 3.55 | Willis Hudlin | 77 | CLE |
| +008+ | 3.05 | Bucky Walters | 86.3 | CIN |
| +010+ | 2.99 | Bill Swift | 42.7 | PIT |
| +011+ | 2.93 | Lon Warneke | 77 | SLN |
| +012+ | 2.92 | Curt Davis | 89 | SLN |
| +015+ | 2.86 | Paul Derringer | 90.7 | CIN |
| +020+ | 2.42 | Bill McGee | 43.7 | SLN |
| +021+ | 2.36 | Whit Wyatt | 44.7 | LAN |
| +023+ | 2.33 | Bump Hadley | 45.3 | NYA |
| +025+ | 2.23 | Lefty Grove | 61.3 | BOS |
| +030+ | 2.06 | Red Ruffing | 69.3 | NYA |
| +031+ | 2.05 | Lefty Gomez | 59 | NYA |
| +032+ | 2.03 | Atley Donald | 52.7 | NYA |
| +035+ | 1.96 | Dizzy Dean | 24 | CHN |
| +037+ | 1.93 | Lee Grissom | 52.3 | CIN |
| +039+ | 1.78 | Rip Sewell | 73.3 | PIT |
| +044+ | 1.55 | Hugh Casey | 27.3 | LAN |
| +056+ | 1.3 | Van Mungo | 55.7 | LAN |
| XXXXX | 1.19 | Vito Tamulis | 63.3 | LAN |
| XXXXX | 1.17 | Bill Lohrman | 41.3 | SFN |
| XXXXX | 1.16 | Ted Lyons | 53 | CHA |
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