| Starter | Tm | Tier | Game |
|---|---|---|---|
| Carl Hubbell | SFN | 5.06 | 193807280_SLN_SFN |
| Danny MacFayden | ATL | 3.79 | 193807271_CIN_ATL |
| Cy Blanton | PIT | 2.23 | 193807260_PIT_PHI |
| Paul Derringer | CIN | 2.23 | 193807260_CIN_ATL |
| Ted Lyons | CHA | 1.17 | 193807260_BOS_CHA |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Jimmie DeShong | MIN | -4.8 | 193807280_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 1938-07-28.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +002+ | 6.74 | Bill Lee | 169 | CHN |
| +003+ | 6.24 | Johnny Vander Meer | 156 | CIN |
| +004+ | 6.05 | Carl Hubbell | 152.3 | SFN |
| +011+ | 5.15 | Paul Derringer | 181 | CIN |
| +015+ | 4.4 | Danny MacFayden | 112 | ATL |
| +016+ | 4.37 | Lefty Grove | 149.7 | BOS |
| +018+ | 3.85 | Clay Bryant | 148.3 | CHN |
| +019+ | 3.83 | Ted Lyons | 110.7 | CHA |
| +022+ | 3.73 | Red Ruffing | 139 | NYA |
| +024+ | 3.67 | Lou Fette | 147 | ATL |
| +027+ | 3.53 | Johnny Allen | 141 | CLE |
| +031+ | 3.34 | Peaches Davis | 124.7 | CIN |
| +032+ | 3.3 | Dizzy Dean | 43.7 | CHN |
| +036+ | 2.98 | Bill McGee | 122 | SLN |
| +037+ | 2.83 | Dutch Leonard | 139 | MIN |
| +040+ | 2.64 | Bob Klinger | 103.7 | PIT |
| +041+ | 2.58 | Cliff Melton | 159.7 | SFN |
| +042+ | 2.54 | Bill Lohrman | 66 | SFN |
| +043+ | 2.54 | Bob Feller | 160.3 | CLE |
| +045+ | 2.48 | Bob Weiland | 145 | SLN |
| +044+ | 2.48 | Cy Blanton | 97.7 | PIT |
| +047+ | 2.47 | Russ Bauers | 152 | PIT |
| +048+ | 2.45 | Thornton Lee | 124 | CHA |
| +049+ | 2.43 | Monty Stratton | 94.7 | CHA |
| +051+ | 2.36 | Jim Tobin | 140 | PIT |
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