| Starter | Tm | Tier | Game |
|---|---|---|---|
| Bucky Walters | CIN | 6.69 | 193907301_PHI_CIN |
| Bob Feller | CLE | 4.03 | 193907280_CLE_MIN |
| Mace Brown | PIT | 2.18 | 193907280_ATL_PIT |
| Carl Hubbell | SFN | 1.82 | 193907300_SFN_CHN |
| Milt Shoffner | ATL | 1.4 | 193907290_ATL_PIT |
| 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 1939-07-30.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +001+ | 9.69 | Bucky Walters | 196.3 | CIN |
| +003+ | 6.31 | Bob Feller | 177.3 | CLE |
| +004+ | 6.21 | Red Ruffing | 144 | NYA |
| +009+ | 5.41 | Atley Donald | 113.3 | NYA |
| +012+ | 5.19 | Lou Fette | 112.3 | ATL |
| +014+ | 4.74 | Paul Derringer | 167.7 | CIN |
| +015+ | 4.47 | Lefty Grove | 120 | BOS |
| +017+ | 4.4 | Whit Wyatt | 109 | LAN |
| +018+ | 4.32 | Hugh Casey | 117 | LAN |
| +019+ | 4.27 | Bump Hadley | 100 | NYA |
| +022+ | 4.01 | Bobo Newsom | 187 | TOT |
| +023+ | 3.92 | Whitey Moore | 130 | CIN |
| +024+ | 3.87 | Tommy Bridges | 139.7 | DET |
| +025+ | 3.84 | Mace Brown | 111.7 | PIT |
| +028+ | 3.47 | Bill Posedel | 139.7 | ATL |
| +030+ | 3.27 | Mort Cooper | 113 | SLN |
| +033+ | 3.07 | Carl Hubbell | 73.3 | SFN |
| +035+ | 3.06 | Junior Thompson | 62.3 | CIN |
| +036+ | 3.04 | Ted Lyons | 117 | CHA |
| +038+ | 2.91 | Curt Davis | 155 | SLN |
| +042+ | 2.76 | Milt Shoffner | 119.7 | ATL |
| +043+ | 2.68 | Bill Lohrman | 110.7 | SFN |
| +044+ | 2.6 | Danny MacFayden | 133 | ATL |
| +045+ | 2.59 | Claude Passeau | 159 | TOT |
| +051+ | 2.47 | Oral Hildebrand | 84.3 | NYA |
_