| Starter | Tm | Tier | Game |
|---|---|---|---|
| Lou Fette | ATL | 7.99 | 193907140_SLN_ATL |
| Red Ruffing | NYA | 5.16 | 193907140_NYA_DET |
| Bob Feller | CLE | 4.38 | 193907130_BOS_CLE |
| Paul Derringer | CIN | 2.95 | 193907140_CIN_SFN |
| Whit Wyatt | LAN | 1.87 | 193907120_PIT_LAN |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Buck Ross | OAK | -5.21 | 193907140_OAK_CHA |
| Hugh Mulcahy | PHI | -4.86 | 193907130_CHN_PHI |
| Lefty Mills | BAL | -3.91 | 193907140_MIN_BAL |
| Schoolboy Rowe | DET | -1.03 | 193907140_NYA_DET |
| Jack Wilson | BOS | -0.7 | 193907130_BOS_CLE |
Based on accumulated WAA for this season up to 1939-07-14.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +001+ | 7.16 | Bucky Walters | 160.3 | CIN |
| +002+ | 5.66 | Tommy Bridges | 118.7 | DET |
| +003+ | 5.41 | Bob Feller | 152.3 | CLE |
| +006+ | 5.1 | Lou Fette | 100.3 | ATL |
| +007+ | 4.95 | Red Ruffing | 126 | NYA |
| +009+ | 4.79 | Whit Wyatt | 98.3 | LAN |
| +014+ | 4.08 | Mace Brown | 86.3 | PIT |
| +016+ | 3.9 | Atley Donald | 95.3 | NYA |
| +021+ | 3.52 | Bump Hadley | 81.3 | NYA |
| +022+ | 3.38 | Lefty Grove | 102 | BOS |
| +025+ | 3.18 | Bill Lohrman | 93.3 | SFN |
| +028+ | 3.07 | Paul Derringer | 140.7 | CIN |
| +029+ | 3 | Bobo Newsom | 149.7 | TOT |
| +031+ | 2.79 | Curt Davis | 131 | SLN |
| +033+ | 2.71 | Lefty Gomez | 96 | NYA |
| +035+ | 2.61 | Whitey Moore | 98.7 | CIN |
| +036+ | 2.46 | Danny MacFayden | 109.7 | ATL |
| +038+ | 2.37 | Bob Klinger | 126.7 | PIT |
| +037+ | 2.37 | Lon Warneke | 110.7 | SLN |
| +039+ | 2.26 | Hugh Casey | 78 | LAN |
| +044+ | 2.1 | Claude Passeau | 130 | TOT |
| +046+ | 1.96 | Ted Lyons | 91 | CHA |
| +048+ | 1.94 | Bill Swift | 51.3 | PIT |
| +050+ | 1.92 | Milt Shoffner | 89.3 | ATL |
| +053+ | 1.73 | Mort Cooper | 82 | SLN |
_