| 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 |
| Johnny Allen | CLE | 3.87 | 193808060_NYA_CLE |
| Paul Derringer | CIN | 3.58 | 193808090_CHN_CIN |
| 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 | -1.2 | 193808060_OAK_BAL |
| Earl Whitehill | CLE | -1.01 | 193808092_CLE_BAL |
Based on accumulated WAA for this season up to 1938-08-09.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +005+ | 6.29 | Paul Derringer | 207 | CIN |
| +006+ | 6.23 | Bill Lee | 190.7 | CHN |
| +007+ | 5.97 | Johnny Vander Meer | 172 | CIN |
| +013+ | 5.23 | Danny MacFayden | 137 | ATL |
| +015+ | 5.07 | Lou Fette | 165 | ATL |
| +017+ | 4.78 | Carl Hubbell | 165 | SFN |
| +018+ | 4.78 | Clay Bryant | 165.7 | CHN |
| +020+ | 4.5 | Bill McGee | 140 | SLN |
| +021+ | 4.38 | Lefty Grove | 155.7 | BOS |
| +024+ | 4.14 | Red Ruffing | 161 | NYA |
| +027+ | 3.94 | Jim Tobin | 157 | PIT |
| +030+ | 3.8 | Larry French | 172.7 | CHN |
| +033+ | 3.49 | Russ Bauers | 165.3 | PIT |
| +038+ | 3.26 | Johnny Allen | 155 | CLE |
| +039+ | 3.22 | Bob Weiland | 163.3 | SLN |
| +041+ | 3.14 | Ted Lyons | 127.7 | CHA |
| +043+ | 3.08 | Dizzy Dean | 47.7 | CHN |
| +042+ | 3.08 | Peaches Davis | 136.7 | CIN |
| +044+ | 3.05 | Dutch Leonard | 151 | MIN |
| +045+ | 2.96 | Charlie Root | 84.3 | CHN |
| +046+ | 2.91 | Freddie Fitzsimmons | 136.7 | LAN |
| +047+ | 2.88 | Tot Pressnell | 155.3 | LAN |
| +049+ | 2.76 | Lon Warneke | 133 | SLN |
| +050+ | 2.73 | Bill Lohrman | 87 | SFN |
| +052+ | 2.68 | Bob Klinger | 111.7 | PIT |
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