| Starter | Tm | Tier | Game |
|---|---|---|---|
| Lou Fette | ATL | 8.2 | 193906270_LAN_ATL |
| Lefty Grove | BOS | 4.1 | 193906260_BOS_MIN |
| Dizzy Dean | CHN | 3.43 | 193906280_CHN_SLN |
| Lefty Gomez | NYA | 3.02 | 193906282_NYA_OAK |
| Russ Bauers | PIT | 2.99 | 193906270_PIT_CIN |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Hugh Mulcahy | PHI | -2.98 | 193906280_PHI_SFN |
| Bill Trotter | BAL | -1.34 | 193906270_BAL_CHA |
| Lynn Nelson | OAK | -1.32 | 193906281_NYA_OAK |
| Harry Kelley | MIN | -1.03 | 193906270_BOS_MIN |
| Earl Whitehill | CHN | -0.74 | 193906270_CHN_SLN |
Based on accumulated WAA for this season up to 1939-06-28.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +001+ | 5.45 | Tommy Bridges | 103.7 | DET |
| +002+ | 5.28 | Bucky Walters | 122.7 | CIN |
| +003+ | 5.15 | Bob Feller | 131 | CLE |
| +004+ | 5.1 | Lou Fette | 91 | ATL |
| +007+ | 4.6 | Whit Wyatt | 80.7 | LAN |
| +011+ | 3.64 | Red Ruffing | 96.3 | NYA |
| +012+ | 3.46 | Curt Davis | 114.7 | SLN |
| +017+ | 3.13 | Lon Warneke | 97 | SLN |
| +021+ | 3.06 | Lefty Grove | 87 | BOS |
| +022+ | 3.03 | Lefty Gomez | 82 | NYA |
| +024+ | 2.91 | Bill Lohrman | 69.3 | SFN |
| +025+ | 2.8 | Atley Donald | 69.3 | NYA |
| +026+ | 2.79 | Whitey Moore | 91.3 | CIN |
| +029+ | 2.58 | Paul Derringer | 116.7 | CIN |
| +032+ | 2.5 | Bob Weiland | 68 | SLN |
| +034+ | 2.45 | Willis Hudlin | 95.7 | CLE |
| +035+ | 2.43 | Dizzy Dean | 44 | CHN |
| +038+ | 2.32 | Bump Hadley | 66.7 | NYA |
| +044+ | 1.88 | Hugh Casey | 57.7 | LAN |
| +045+ | 1.87 | Bob Klinger | 110 | PIT |
| +048+ | 1.73 | Claude Passeau | 104.7 | TOT |
| +053+ | 1.59 | Ted Lyons | 80 | CHA |
| +054+ | 1.58 | Syl Johnson | 37 | PHI |
| +058+ | 1.45 | Bill Lee | 111 | CHN |
| +059+ | 1.41 | Bill Swift | 44.3 | PIT |
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