| Starter | Tm | Tier | Game |
|---|---|---|---|
| Lou Fette | ATL | 4.52 | 193809052_LAN_ATL |
| Bill Lee | CHN | 3.68 | 193809051_CHN_PIT |
| Thornton Lee | CHA | 2.79 | 193809051_CLE_CHA |
| Bill McGee | SLN | 2.43 | 193809052_SLN_CIN |
| Russ Bauers | PIT | 2.2 | 193809040_SLN_PIT |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Russ Van Atta | BAL | -2.67 | 193809042_CLE_BAL |
| Lynn Nelson | OAK | -2.13 | 193809041_BOS_OAK |
| Hugh Mulcahy | PHI | -1.33 | 193809041_PHI_ATL |
| Chief Hogsett | MIN | -1.32 | 193809040_MIN_NYA |
| Earl Whitehill | CLE | -1.06 | 193809042_CLE_BAL |
Based on accumulated WAA for this season up to 1938-09-06.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +006+ | 7.56 | Paul Derringer | 261 | CIN |
| +009+ | 7.07 | Bill Lee | 244.3 | CHN |
| +013+ | 6.94 | Lou Fette | 218 | ATL |
| +016+ | 6.6 | Red Ruffing | 215 | NYA |
| +017+ | 6.55 | Danny MacFayden | 176 | ATL |
| +023+ | 5.6 | Bill McGee | 191 | SLN |
| +026+ | 5.37 | Freddie Fitzsimmons | 167.7 | LAN |
| +027+ | 5.22 | Russ Bauers | 203.7 | PIT |
| +028+ | 5.1 | Carl Hubbell | 179 | SFN |
| +029+ | 5.03 | Thornton Lee | 209.3 | CHA |
| +030+ | 5.01 | Clay Bryant | 219.3 | CHN |
| +037+ | 4.36 | Charlie Root | 128.3 | CHN |
| +039+ | 4.32 | Dutch Leonard | 195.3 | MIN |
| +044+ | 3.64 | Jim Tobin | 200.3 | PIT |
| +045+ | 3.62 | Bob Weiland | 205 | SLN |
| +046+ | 3.56 | Ted Lyons | 161.7 | CHA |
| +048+ | 3.48 | Jim Turner | 223.3 | ATL |
| +051+ | 3.3 | Ira Hutchinson | 120 | ATL |
| +052+ | 3.25 | Dick Errickson | 98.3 | ATL |
| +053+ | 3.25 | Bob Klinger | 127.7 | PIT |
| +054+ | 3.19 | Tot Pressnell | 179.3 | LAN |
| +055+ | 3.09 | Dizzy Dean | 60.7 | CHN |
| +056+ | 3.07 | Bill Swift | 123.7 | PIT |
| +058+ | 2.9 | Lon Warneke | 180.7 | SLN |
| +061+ | 2.78 | Johnny Rigney | 127 | CHA |
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