| Starter | Tm | Tier | Game |
|---|---|---|---|
| Carl Hubbell | SFN | 5.64 | 193808020_CHN_SFN |
| Danny MacFayden | ATL | 4.62 | 193807311_SLN_ATL |
| Johnny Vander Meer | CIN | 2.8 | 193808020_CIN_PHI |
| Ted Lyons | CHA | 1.83 | 193807311_NYA_CHA |
| Bob Feller | CLE | 1.82 | 193808010_MIN_CLE |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Wes Ferrell | MIN | -3.98 | 193808020_MIN_BAL |
| Wayne LaMaster | PHI | -2.92 | 193807312_CHN_PHI |
| Al Williams | OAK | -0.92 | 193808020_OAK_CHA |
| Lefty Mills | BAL | -0.78 | 193807312_BOS_BAL |
| Tex Carleton | CHN | -0.73 | 193807311_CHN_PHI |
Based on accumulated WAA for this season up to 1938-08-02.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +002+ | 6.88 | Bill Lee | 181.7 | CHN |
| +003+ | 6.43 | Johnny Vander Meer | 171 | CIN |
| +009+ | 5.37 | Paul Derringer | 190 | CIN |
| +012+ | 5.15 | Carl Hubbell | 158.7 | SFN |
| +013+ | 5.06 | Danny MacFayden | 121 | ATL |
| +016+ | 4.68 | Clay Bryant | 157.3 | CHN |
| +021+ | 4.12 | Lou Fette | 156 | ATL |
| +025+ | 3.68 | Ted Lyons | 118.7 | CHA |
| +029+ | 3.54 | Johnny Allen | 150 | CLE |
| +030+ | 3.5 | Peaches Davis | 128.7 | CIN |
| +032+ | 3.28 | Red Ruffing | 144 | NYA |
| +034+ | 3.25 | Bill McGee | 124 | SLN |
| +033+ | 3.25 | Thornton Lee | 139.7 | CHA |
| +036+ | 3.16 | Jim Tobin | 148 | PIT |
| +038+ | 3.05 | Dizzy Dean | 47.7 | CHN |
| +039+ | 3.02 | Bob Weiland | 154 | SLN |
| +040+ | 3 | Bill Lohrman | 73 | SFN |
| +042+ | 2.84 | Charlie Root | 83.7 | CHN |
| +044+ | 2.69 | Cy Blanton | 104 | PIT |
| +045+ | 2.66 | Bob Klinger | 103.7 | PIT |
| +048+ | 2.52 | Cliff Melton | 159.7 | SFN |
| +049+ | 2.5 | Russ Bauers | 152 | PIT |
| +050+ | 2.4 | Freddie Fitzsimmons | 127.7 | LAN |
| +051+ | 2.4 | Jack Wilson | 110 | BOS |
| +053+ | 2.28 | Dutch Leonard | 142 | MIN |
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