| Starter | Tm | Tier | Game |
|---|---|---|---|
| Lou Fette | ATL | 5.97 | 193907272_ATL_CIN |
| Bob Feller | CLE | 4.03 | 193907280_CLE_MIN |
| Paul Derringer | CIN | 3.17 | 193907271_ATL_CIN |
| Mace Brown | PIT | 2.18 | 193907280_ATL_PIT |
| Tommy Bridges | DET | 1.05 | 193907290_DET_OAK |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Buck Ross | OAK | -5.35 | 193907280_DET_OAK |
| Vern Kennedy | BAL | -3.79 | 193907280_BAL_BOS |
| Hugh Mulcahy | PHI | -1.86 | 193907291_PHI_CIN |
| Jake Wade | BOS | -1.11 | 193907290_BAL_BOS |
| Schoolboy Rowe | DET | -0.9 | 193907280_DET_OAK |
Based on accumulated WAA for this season up to 1939-07-29.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +001+ | 9.27 | Bucky Walters | 187.3 | CIN |
| +003+ | 6.35 | Bob Feller | 177.3 | CLE |
| +004+ | 6.26 | Red Ruffing | 144 | NYA |
| +007+ | 5.45 | Atley Donald | 113.3 | NYA |
| +011+ | 5.22 | Lou Fette | 112.3 | ATL |
| +014+ | 4.79 | Paul Derringer | 167.7 | CIN |
| +015+ | 4.51 | Lefty Grove | 120 | BOS |
| +017+ | 4.4 | Whit Wyatt | 109 | LAN |
| +018+ | 4.34 | Bump Hadley | 98.3 | NYA |
| +021+ | 3.98 | Hugh Casey | 109 | LAN |
| +022+ | 3.96 | Whitey Moore | 130 | CIN |
| +023+ | 3.92 | Tommy Bridges | 139.7 | DET |
| +024+ | 3.88 | Mace Brown | 111.7 | PIT |
| +027+ | 3.55 | Bill Posedel | 133.7 | ATL |
| +029+ | 3.31 | Mort Cooper | 113 | SLN |
| +030+ | 3.16 | Bobo Newsom | 178 | TOT |
| +035+ | 3.08 | Junior Thompson | 62.3 | CIN |
| +036+ | 2.97 | Curt Davis | 155 | SLN |
| +037+ | 2.94 | Bill Swift | 80 | PIT |
| +038+ | 2.88 | Ted Lyons | 109 | CHA |
| +042+ | 2.79 | Milt Shoffner | 119.7 | ATL |
| +044+ | 2.72 | Bill Lohrman | 110.7 | SFN |
| +045+ | 2.64 | Danny MacFayden | 133 | ATL |
| +046+ | 2.63 | Claude Passeau | 159 | TOT |
| +048+ | 2.5 | Oral Hildebrand | 84.3 | NYA |
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