| Starter | Tm | Tier | Game |
|---|---|---|---|
| Bucky Walters | CIN | 12.22 | 193909270_SLN_CIN |
| Bob Feller | CLE | 5.19 | 193909272_CLE_CHA |
| Lefty Grove | BOS | 3.4 | 193909281_BOS_MIN |
| Hugh Casey | LAN | 1.81 | 193909292_LAN_ATL |
| Bump Hadley | NYA | 1.42 | 193909282_OAK_NYA |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Ike Pearson | PHI | -1.66 | 193909281_SFN_PHI |
| Hal Schumacher | SFN | -0.4 | 193909282_SFN_PHI |
| Vito Tamulis | LAN | -0.29 | 193909282_LAN_ATL |
| Alex Carrasquel | MIN | -0.26 | 193909281_BOS_MIN |
| Joe Bowman | PIT | -0.21 | 193909290_CIN_PIT |
Based on accumulated WAA for this season up to 1939-09-29.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +001+ | 13.79 | Bucky Walters | 315 | CIN |
| +005+ | 9.13 | Bob Feller | 287.7 | CLE |
| +008+ | 8.65 | Paul Derringer | 301 | CIN |
| +010+ | 7.53 | Lefty Grove | 191 | BOS |
| +013+ | 7.15 | Red Ruffing | 233.3 | NYA |
| +018+ | 6.25 | Bob Bowman | 169 | SLN |
| +019+ | 6.08 | Ted Lyons | 172.7 | CHA |
| +021+ | 5.8 | Hugh Casey | 220.3 | LAN |
| +024+ | 5.71 | Carl Hubbell | 154 | SFN |
| +026+ | 5.44 | Claude Passeau | 266.3 | TOT |
| +029+ | 5.21 | Junior Thompson | 146.7 | CIN |
| +031+ | 4.98 | Marius Russo | 116 | NYA |
| +032+ | 4.89 | Mort Cooper | 202.3 | SLN |
| +034+ | 4.69 | Dutch Leonard | 269.3 | MIN |
| +036+ | 4.54 | Bump Hadley | 154 | NYA |
| +039+ | 4.16 | Bobo Newsom | 286.7 | TOT |
| +040+ | 4.12 | Steve Sundra | 113.7 | NYA |
| +041+ | 4.11 | Bill Lee | 273.3 | CHN |
| +042+ | 4.09 | Milt Shoffner | 170 | TOT |
| +045+ | 3.86 | Lefty Gomez | 198 | NYA |
| +046+ | 3.79 | Mace Brown | 196.7 | PIT |
| +047+ | 3.71 | Mel Harder | 208 | CLE |
| +048+ | 3.56 | Cliff Melton | 205.3 | SFN |
| +050+ | 3.53 | Tommy Bridges | 198 | DET |
| +051+ | 3.51 | Oral Hildebrand | 126.7 | NYA |
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