| Starter | Tm | Tier | Game |
|---|---|---|---|
| Lou Fette | ATL | 7.99 | 193907140_SLN_ATL |
| Red Ruffing | NYA | 5.16 | 193907140_NYA_DET |
| Lefty Grove | BOS | 4.99 | 193907161_BOS_DET |
| Paul Derringer | CIN | 2.95 | 193907140_CIN_SFN |
| Tommy Bridges | DET | 2.24 | 193907150_NYA_DET |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Buck Ross | OAK | -5.21 | 193907140_OAK_CHA |
| Lefty Mills | BAL | -3.91 | 193907140_MIN_BAL |
| Hugh Mulcahy | PHI | -3.89 | 193907161_PIT_PHI |
| Schoolboy Rowe | DET | -1.03 | 193907140_NYA_DET |
| Johnny Rigney | CHA | -0.57 | 193907150_OAK_CHA |
Based on accumulated WAA for this season up to 1939-07-16.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +001+ | 7.15 | Bucky Walters | 160.3 | CIN |
| +005+ | 5.35 | Bob Feller | 152.3 | CLE |
| +006+ | 5.08 | Lou Fette | 100.3 | ATL |
| +009+ | 4.94 | Tommy Bridges | 120.3 | DET |
| +010+ | 4.9 | Red Ruffing | 126 | NYA |
| +011+ | 4.79 | Whit Wyatt | 98.3 | LAN |
| +015+ | 3.86 | Atley Donald | 95.3 | NYA |
| +016+ | 3.86 | Mace Brown | 90.3 | PIT |
| +017+ | 3.84 | Lefty Grove | 111 | BOS |
| +023+ | 3.48 | Bump Hadley | 81.3 | NYA |
| +025+ | 3.17 | Lefty Gomez | 105 | NYA |
| +027+ | 3.14 | Bill Lohrman | 93.3 | SFN |
| +030+ | 3.07 | Paul Derringer | 140.7 | CIN |
| +032+ | 2.86 | Bobo Newsom | 149.7 | TOT |
| +033+ | 2.79 | Whitey Moore | 106.7 | CIN |
| +034+ | 2.76 | Curt Davis | 131 | SLN |
| +037+ | 2.55 | Bob Klinger | 132.7 | PIT |
| +038+ | 2.54 | Hugh Casey | 83.3 | LAN |
| +039+ | 2.49 | Bill Posedel | 116.7 | ATL |
| +040+ | 2.48 | Claude Passeau | 134 | TOT |
| +043+ | 2.44 | Bill Swift | 60.3 | PIT |
| +044+ | 2.43 | Danny MacFayden | 109.7 | ATL |
| +045+ | 2.42 | Mort Cooper | 91 | SLN |
| +046+ | 2.42 | Ted Lyons | 100 | CHA |
| +047+ | 2.35 | Lon Warneke | 110.7 | SLN |
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