| Starter | Tm | Tier | Game |
|---|---|---|---|
| Bill Lee | CHN | 5.39 | 193808072_CHN_ATL |
| Danny MacFayden | ATL | 5.28 | 193808090_SFN_ATL |
| Carl Hubbell | SFN | 4.16 | 193808072_PIT_SFN |
| Paul Derringer | CIN | 3.58 | 193808090_CHN_CIN |
| Johnny Allen | CLE | 3.2 | 193808100_CLE_BAL |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Bobo Newsom | BAL | -4 | 193808071_OAK_BAL |
| Wes Ferrell | MIN | -3.14 | 193808071_MIN_CHA |
| Hugh Mulcahy | PHI | -1.9 | 193808090_PHI_LAN |
| Bud Thomas | OAK | -1.03 | 193808100_BOS_OAK |
| Earl Whitehill | CLE | -1.01 | 193808092_CLE_BAL |
Based on accumulated WAA for this season up to 1938-08-10.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +004+ | 6.31 | Paul Derringer | 207 | CIN |
| +005+ | 6.24 | Bill Lee | 190.7 | CHN |
| +008+ | 5.51 | Johnny Vander Meer | 180 | CIN |
| +015+ | 5.24 | Danny MacFayden | 137 | ATL |
| +016+ | 5.09 | Lou Fette | 165 | ATL |
| +018+ | 4.82 | Carl Hubbell | 165 | SFN |
| +019+ | 4.79 | Clay Bryant | 165.7 | CHN |
| +020+ | 4.54 | Bill McGee | 140 | SLN |
| +021+ | 4.4 | Lefty Grove | 155.7 | BOS |
| +024+ | 4.14 | Red Ruffing | 161 | NYA |
| +025+ | 3.99 | Jim Tobin | 157 | PIT |
| +030+ | 3.81 | Larry French | 172.7 | CHN |
| +035+ | 3.54 | Russ Bauers | 165.3 | PIT |
| +036+ | 3.49 | Lon Warneke | 140 | SLN |
| +039+ | 3.27 | Bob Weiland | 163.3 | SLN |
| +041+ | 3.15 | Ted Lyons | 127.7 | CHA |
| +043+ | 3.09 | Peaches Davis | 136.7 | CIN |
| +044+ | 3.08 | Dizzy Dean | 47.7 | CHN |
| +045+ | 3.07 | Charlie Root | 85.3 | CHN |
| +046+ | 3.05 | Dutch Leonard | 151 | MIN |
| +047+ | 2.92 | Freddie Fitzsimmons | 136.7 | LAN |
| +048+ | 2.89 | Tot Pressnell | 155.3 | LAN |
| +049+ | 2.85 | Bill Lohrman | 88 | SFN |
| +052+ | 2.7 | Bob Klinger | 118 | PIT |
| +054+ | 2.42 | Cy Blanton | 113 | PIT |
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