| Starter | Tm | Tier | Game |
|---|---|---|---|
| Johnny Allen | CLE | 4.47 | 193807251_CLE_BOS |
| Johnny Vander Meer | CIN | 3.73 | 193807242_PHI_CIN |
| Red Ruffing | NYA | 3.18 | 193807242_CHA_NYA |
| Cy Blanton | PIT | 2.23 | 193807260_PIT_PHI |
| Lou Fette | ATL | 2.14 | 193807241_ATL_PIT |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Wes Ferrell | MIN | -3.65 | 193807260_MIN_DET |
| Bobo Newsom | BAL | -3.56 | 193807262_NYA_BAL |
| Elden Auker | DET | -0.61 | 193807241_DET_OAK |
| Fritz Ostermueller | BOS | -0.2 | 193807260_BOS_CHA |
| Clyde Shoun | SLN | -0.19 | 193807260_SLN_SFN |
Based on accumulated WAA for this season up to 1938-07-26.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +002+ | 6.74 | Bill Lee | 169 | CHN |
| +003+ | 6.2 | Johnny Vander Meer | 156 | CIN |
| +008+ | 5.37 | Carl Hubbell | 143.3 | SFN |
| +011+ | 5.11 | Paul Derringer | 181 | CIN |
| +015+ | 4.41 | Lefty Grove | 149.7 | BOS |
| +017+ | 3.86 | Ted Lyons | 110.7 | CHA |
| +019+ | 3.72 | Red Ruffing | 139 | NYA |
| +022+ | 3.53 | Johnny Allen | 141 | CLE |
| +023+ | 3.5 | Danny MacFayden | 103 | ATL |
| +025+ | 3.43 | Clay Bryant | 140 | CHN |
| +027+ | 3.29 | Dizzy Dean | 43.7 | CHN |
| +035+ | 2.99 | Lou Fette | 138 | ATL |
| +036+ | 2.97 | Bill McGee | 122 | SLN |
| +037+ | 2.84 | Peaches Davis | 115.7 | CIN |
| +038+ | 2.73 | Dutch Leonard | 138.3 | MIN |
| +040+ | 2.63 | Bob Klinger | 103.7 | PIT |
| +043+ | 2.58 | Cliff Melton | 159.7 | SFN |
| +045+ | 2.55 | Bob Feller | 160.3 | CLE |
| +046+ | 2.54 | Jack Wilson | 100.7 | BOS |
| +047+ | 2.48 | Thornton Lee | 124 | CHA |
| +048+ | 2.48 | Cy Blanton | 97.7 | PIT |
| +049+ | 2.46 | Bob Weiland | 145 | SLN |
| +050+ | 2.45 | Monty Stratton | 94.7 | CHA |
| +051+ | 2.41 | Bill Lohrman | 64.7 | SFN |
| +052+ | 2.33 | Bill Swift | 94 | PIT |
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