| Starter | Tm | Tier | Game |
|---|---|---|---|
| Bill Lee | CHN | 5.82 | 193807231_SFN_CHN |
| Johnny Vander Meer | CIN | 3.73 | 193807242_PHI_CIN |
| Danny MacFayden | ATL | 3.6 | 193807230_ATL_PIT |
| Red Ruffing | NYA | 3.18 | 193807242_CHA_NYA |
| Cy Blanton | PIT | 2.11 | 193807220_ATL_PIT |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Russ Van Atta | BAL | -3.01 | 193807242_BAL_MIN |
| Wayne LaMaster | PHI | -2.12 | 193807222_PHI_CIN |
| Ken Chase | MIN | -1.91 | 193807241_BAL_MIN |
| Elden Auker | DET | -0.61 | 193807241_DET_OAK |
| Bill Posedel | LAN | -0.37 | 193807230_LAN_SLN |
Based on accumulated WAA for this season up to 1938-07-24.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +002+ | 6.71 | Bill Lee | 169 | CHN |
| +003+ | 6.18 | Johnny Vander Meer | 156 | CIN |
| +008+ | 5.35 | Carl Hubbell | 143.3 | SFN |
| +011+ | 4.61 | Paul Derringer | 172 | CIN |
| +014+ | 4.38 | Lefty Grove | 149.7 | BOS |
| +017+ | 3.68 | Red Ruffing | 139 | NYA |
| +021+ | 3.49 | Danny MacFayden | 103 | ATL |
| +023+ | 3.42 | Johnny Allen | 134 | CLE |
| +024+ | 3.41 | Clay Bryant | 140 | CHN |
| +028+ | 3.29 | Dizzy Dean | 43.7 | CHN |
| +031+ | 3.14 | Ted Lyons | 101.7 | CHA |
| +033+ | 2.97 | Lou Fette | 138 | ATL |
| +035+ | 2.93 | Bill McGee | 119.7 | SLN |
| +036+ | 2.9 | Cliff Melton | 154.7 | SFN |
| +038+ | 2.82 | Peaches Davis | 115.7 | CIN |
| +039+ | 2.72 | Charlie Root | 76 | CHN |
| +040+ | 2.69 | Dutch Leonard | 138.3 | MIN |
| +041+ | 2.68 | Cy Blanton | 91.3 | PIT |
| +042+ | 2.61 | Freddie Fitzsimmons | 117 | LAN |
| +043+ | 2.61 | Bob Klinger | 103.7 | PIT |
| +045+ | 2.52 | Jack Wilson | 100.7 | BOS |
| +046+ | 2.46 | Thornton Lee | 124 | CHA |
| +048+ | 2.44 | Monty Stratton | 94.7 | CHA |
| +049+ | 2.43 | Bob Weiland | 145 | SLN |
| +051+ | 2.4 | Bill Lohrman | 64.7 | SFN |
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