| Starter | Tm | Tier | Game |
|---|---|---|---|
| Bill Lee | CHN | 8.47 | 193809260_SLN_CHN |
| Thornton Lee | CHA | 4.1 | 193809280_CHA_CLE |
| Freddie Fitzsimmons | LAN | 3.52 | 193809271_SFN_LAN |
| Jim Tobin | PIT | 1.98 | 193809270_PIT_CHN |
| Ira Hutchinson | ATL | 1.63 | 193809280_PHI_ATL |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Lynn Nelson | OAK | -4.17 | 193809280_BOS_OAK |
| Jim Walkup | BAL | -3.88 | 193809271_BAL_DET |
| Slick Coffman | DET | -2.11 | 193809272_BAL_DET |
| Earl Whitehill | CLE | -1.37 | 193809280_CHA_CLE |
| Pete Sivess | PHI | -1.12 | 193809280_PHI_ATL |
Based on accumulated WAA for this season up to 1938-09-28.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +004+ | 9.79 | Bill Lee | 283 | CHN |
| +008+ | 8.13 | Paul Derringer | 298 | CIN |
| +017+ | 6.63 | Lou Fette | 238 | ATL |
| +019+ | 6.55 | Clay Bryant | 267 | CHN |
| +022+ | 6.02 | Russ Bauers | 233 | PIT |
| +023+ | 5.84 | Freddie Fitzsimmons | 202.7 | LAN |
| +025+ | 5.57 | Johnny Vander Meer | 207.3 | CIN |
| +026+ | 5.54 | Danny MacFayden | 209.7 | ATL |
| +031+ | 5.04 | Ira Hutchinson | 150.7 | ATL |
| +032+ | 5.02 | Red Ruffing | 244.3 | NYA |
| +039+ | 4.52 | Jim Tobin | 228.3 | PIT |
| +043+ | 4.41 | Lefty Gomez | 236 | NYA |
| +044+ | 4.4 | Bob Klinger | 159.3 | PIT |
| +046+ | 4.3 | Thornton Lee | 236.3 | CHA |
| +047+ | 4.2 | Jim Turner | 258.3 | ATL |
| +049+ | 4.14 | Dutch Leonard | 223.3 | MIN |
| +048+ | 4.14 | Dizzy Dean | 74.7 | CHN |
| +056+ | 3.21 | Bill Lohrman | 143 | SFN |
| +057+ | 3.19 | Hal Schumacher | 185.3 | SFN |
| +058+ | 2.88 | Bob Weiland | 219.3 | SLN |
| +059+ | 2.85 | Luke Hamlin | 229.7 | LAN |
| +064+ | 2.66 | Joe Krakauskas | 112.3 | MIN |
| +065+ | 2.6 | Milt Shoffner | 134.3 | ATL |
| +067+ | 2.54 | Lon Warneke | 194.3 | SLN |
| +068+ | 2.5 | Mel Harder | 240 | CLE |
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