| Starter | Tm | Tier | Game |
|---|---|---|---|
| Lou Fette | ATL | 8.53 | 193906150_ATL_PIT |
| Red Ruffing | NYA | 4.03 | 193906170_DET_NYA |
| Van Mungo | LAN | 1.28 | 193906160_LAN_SLN |
| Tommy Bridges | DET | 0.7 | 193906150_DET_BOS |
| Bob Klinger | PIT | 0.69 | 193906160_ATL_PIT |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Hugh Mulcahy | PHI | -3.95 | 193906150_PHI_CIN |
| Lefty Mills | BAL | -3.63 | 193906170_BAL_MIN |
| Buck Ross | OAK | -2.09 | 193906160_BAL_OAK |
| Harry Kelley | MIN | -1.26 | 193906160_CHA_MIN |
| Earl Whitehill | CHN | -1.13 | 193906170_LAN_CHN |
Based on accumulated WAA for this season up to 1939-06-17.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +001+ | 4.58 | Bob Feller | 105.3 | CLE |
| +002+ | 4.26 | Bucky Walters | 104.7 | CIN |
| +003+ | 4.26 | Lou Fette | 71.7 | ATL |
| +005+ | 3.96 | Tommy Bridges | 85.7 | DET |
| +006+ | 3.71 | Willis Hudlin | 86 | CLE |
| +009+ | 3.53 | Whitey Moore | 86.7 | CIN |
| +010+ | 3.36 | Lon Warneke | 85 | SLN |
| +011+ | 3.13 | Whit Wyatt | 55.7 | LAN |
| +014+ | 2.94 | Bump Hadley | 54.3 | NYA |
| +017+ | 2.89 | Red Ruffing | 87.3 | NYA |
| +018+ | 2.84 | Lefty Gomez | 68 | NYA |
| +029+ | 2.39 | Hugh Casey | 43.3 | LAN |
| +031+ | 2.34 | Paul Derringer | 93.7 | CIN |
| +032+ | 2.33 | Curt Davis | 97.7 | SLN |
| +036+ | 2.07 | Atley Donald | 60.3 | NYA |
| +037+ | 2.06 | Bill Swift | 42.7 | PIT |
| +038+ | 1.99 | Dick Errickson | 40.7 | ATL |
| +039+ | 1.93 | Lefty Grove | 70 | BOS |
| +041+ | 1.88 | Bill McGee | 49.7 | SLN |
| +043+ | 1.82 | Bob Klinger | 97.7 | PIT |
| +044+ | 1.78 | Bill Lohrman | 50.3 | SFN |
| +046+ | 1.73 | Bobo Newsom | 106.7 | TOT |
| +050+ | 1.58 | Bob Weiland | 55 | SLN |
| +053+ | 1.51 | Syl Johnson | 37 | PHI |
| +057+ | 1.45 | Dizzy Dean | 25.3 | CHN |
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