| Starter | Tm | Tier | Game |
|---|---|---|---|
| Johnny Allen | CLE | 4.47 | 193807251_CLE_BOS |
| Danny MacFayden | ATL | 3.79 | 193807271_CIN_ATL |
| Paul Derringer | CIN | 2.23 | 193807260_CIN_ATL |
| Cy Blanton | PIT | 2.23 | 193807260_PIT_PHI |
| Ted Lyons | CHA | 1.17 | 193807260_BOS_CHA |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Wes Ferrell | MIN | -3.65 | 193807260_MIN_DET |
| Bobo Newsom | BAL | -3.56 | 193807262_NYA_BAL |
| Bill Hallahan | PHI | -0.93 | 193807270_PIT_PHI |
| Roxie Lawson | DET | -0.76 | 193807270_MIN_DET |
| Bucky Walters | CIN | -0.42 | 193807272_CIN_ATL |
Based on accumulated WAA for this season up to 1938-07-27.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +002+ | 6.71 | Bill Lee | 169 | CHN |
| +003+ | 6.21 | Johnny Vander Meer | 156 | CIN |
| +009+ | 5.34 | Carl Hubbell | 143.3 | SFN |
| +012+ | 5.11 | Paul Derringer | 181 | CIN |
| +015+ | 4.37 | Danny MacFayden | 112 | ATL |
| +016+ | 4.37 | Lefty Grove | 149.7 | BOS |
| +018+ | 3.83 | Ted Lyons | 110.7 | CHA |
| +019+ | 3.82 | Clay Bryant | 148.3 | CHN |
| +022+ | 3.69 | Red Ruffing | 139 | NYA |
| +024+ | 3.64 | Lou Fette | 147 | ATL |
| +026+ | 3.5 | Johnny Allen | 141 | CLE |
| +031+ | 3.29 | Dizzy Dean | 43.7 | CHN |
| +036+ | 2.94 | Bill McGee | 122 | SLN |
| +037+ | 2.84 | Peaches Davis | 115.7 | CIN |
| +038+ | 2.72 | Dutch Leonard | 138.3 | MIN |
| +040+ | 2.62 | Bob Klinger | 103.7 | PIT |
| +041+ | 2.54 | Cliff Melton | 159.7 | SFN |
| +042+ | 2.53 | Bill Lohrman | 66 | SFN |
| +043+ | 2.52 | Jack Wilson | 100.7 | BOS |
| +045+ | 2.51 | Bob Feller | 160.3 | CLE |
| +047+ | 2.46 | Cy Blanton | 97.7 | PIT |
| +048+ | 2.45 | Thornton Lee | 124 | CHA |
| +050+ | 2.43 | Bob Weiland | 145 | SLN |
| +051+ | 2.43 | Monty Stratton | 94.7 | CHA |
| +049+ | 2.43 | Russ Bauers | 152 | PIT |
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