| Starter | Tm | Tier | Game |
|---|---|---|---|
| Bill Lee | CHN | 7.23 | 193806240_CHN_SFN |
| Red Ruffing | NYA | 2.42 | 193806250_NYA_DET |
| Johnny Vander Meer | CIN | 2.23 | 193806230_CIN_SFN |
| Hal Schumacher | SFN | 1.92 | 193806230_CIN_SFN |
| Bill Swift | PIT | 1.24 | 193806230_PIT_LAN |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Jim Walkup | BAL | -2.92 | 193806230_OAK_BAL |
| Jimmie DeShong | MIN | -2.27 | 193806250_MIN_BAL |
| Bucky Walters | CIN | -0.75 | 193806250_CIN_PHI |
| Roxie Lawson | DET | -0.7 | 193806250_NYA_DET |
| Hugh Mulcahy | PHI | -0.43 | 193806250_CIN_PHI |
Based on accumulated WAA for this season up to 1938-06-25.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +003+ | 5.31 | Bill Lee | 116 | CHN |
| +007+ | 4.58 | Johnny Vander Meer | 109.3 | CIN |
| +008+ | 4.39 | Lefty Grove | 120.7 | BOS |
| +009+ | 3.88 | Paul Derringer | 123.7 | CIN |
| +010+ | 3.71 | Tot Pressnell | 99.7 | LAN |
| +011+ | 3.61 | Bob Feller | 101 | CLE |
| +013+ | 3.54 | Johnny Allen | 108.7 | CLE |
| +016+ | 3.38 | Lynn Nelson | 99 | OAK |
| +017+ | 3.37 | Bill McGee | 88 | SLN |
| +018+ | 3.33 | Cliff Melton | 118.3 | SFN |
| +020+ | 3.02 | Danny MacFayden | 87.3 | ATL |
| +021+ | 2.98 | Jack Wilson | 82.3 | BOS |
| +024+ | 2.92 | Freddie Fitzsimmons | 89.7 | LAN |
| +025+ | 2.91 | Carl Hubbell | 95 | SFN |
| +028+ | 2.61 | Clay Bryant | 95.3 | CHN |
| +030+ | 2.59 | Bob Klinger | 65.7 | PIT |
| +032+ | 2.46 | Monty Stratton | 57.7 | CHA |
| +033+ | 2.39 | Dutch Leonard | 100.3 | MIN |
| +037+ | 2.18 | Lou Fette | 91.7 | ATL |
| +039+ | 2.15 | Red Ruffing | 99.3 | NYA |
| +044+ | 1.94 | Dizzy Dean | 25.7 | CHN |
| +045+ | 1.94 | Jim Weaver | 69 | TOT |
| +047+ | 1.92 | George Caster | 107.3 | OAK |
| +048+ | 1.9 | Ted Lyons | 66.7 | CHA |
| +049+ | 1.88 | Bill Swift | 67 | PIT |
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