| Starter | Tm | Tier | Game |
|---|---|---|---|
| Paul Derringer | CIN | 4.28 | 193808220_CIN_SLN |
| Lou Fette | ATL | 3.97 | 193808232_ATL_PIT |
| Thornton Lee | CHA | 1.81 | 193808231_CHA_NYA |
| Russ Bauers | PIT | 1.75 | 193808240_ATL_PIT |
| Larry French | CHN | 1.25 | 193808230_SFN_CHN |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Wes Ferrell | NYA | -4.31 | 193808231_CHA_NYA |
| Frank Gabler | CHA | -2.43 | 193808242_CHA_NYA |
| Hugh Mulcahy | PHI | -1.66 | 193808240_PHI_CIN |
| Nels Potter | OAK | -1.6 | 193808241_DET_OAK |
| Elden Auker | DET | -1.05 | 193808241_DET_OAK |
Based on accumulated WAA for this season up to 1938-08-24.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +004+ | 7.08 | Paul Derringer | 234 | CIN |
| +007+ | 6.43 | Bill Lee | 216.3 | CHN |
| +009+ | 6.37 | Danny MacFayden | 155 | ATL |
| +010+ | 6.33 | Lou Fette | 192.7 | ATL |
| +016+ | 5.99 | Bill McGee | 167.3 | SLN |
| +018+ | 5.49 | Johnny Vander Meer | 180 | CIN |
| +019+ | 5.39 | Red Ruffing | 188 | NYA |
| +022+ | 5.02 | Carl Hubbell | 179 | SFN |
| +024+ | 4.79 | Freddie Fitzsimmons | 154.7 | LAN |
| +028+ | 4.6 | Dutch Leonard | 179.3 | MIN |
| +029+ | 4.45 | Russ Bauers | 189.3 | PIT |
| +030+ | 4.42 | Lefty Grove | 157.7 | BOS |
| +034+ | 4.13 | Thornton Lee | 186.3 | CHA |
| +036+ | 3.89 | Jim Tobin | 183.7 | PIT |
| +041+ | 3.6 | Lon Warneke | 158 | SLN |
| +043+ | 3.55 | Charlie Root | 107.3 | CHN |
| +045+ | 3.5 | Tot Pressnell | 169 | LAN |
| +048+ | 3.04 | Ted Lyons | 152.7 | CHA |
| +049+ | 3.03 | Bob Weiland | 186.3 | SLN |
| +050+ | 3 | Dizzy Dean | 59.7 | CHN |
| +051+ | 2.94 | Clay Bryant | 187.7 | CHN |
| +052+ | 2.92 | Lefty Gomez | 178 | NYA |
| +053+ | 2.87 | Bill Swift | 121.7 | PIT |
| +054+ | 2.85 | Larry French | 184.7 | CHN |
| +056+ | 2.72 | Ira Hutchinson | 114 | ATL |
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