| Starter | Tm | Tier | Game |
|---|---|---|---|
| Bill Lee | CHN | 8.47 | 193809260_SLN_CHN |
| Paul Derringer | CIN | 7.01 | 193809250_CIN_PIT |
| Freddie Fitzsimmons | LAN | 3.52 | 193809271_SFN_LAN |
| Danny MacFayden | ATL | 2.11 | 193809251_SFN_ATL |
| Jim Tobin | PIT | 1.98 | 193809270_PIT_CHN |
| Starter | Tm | Tier | Game |
|---|---|---|---|
| Jim Walkup | BAL | -3.88 | 193809271_BAL_DET |
| Ken Chase | MIN | -2.53 | 193809252_MIN_OAK |
| Slick Coffman | DET | -2.11 | 193809272_BAL_DET |
| Buck Ross | OAK | -1.87 | 193809270_BOS_OAK |
| Steve Sundra | NYA | -0.69 | 193809260_BOS_NYA |
Based on accumulated WAA for this season up to 1938-09-27.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +004+ | 9.66 | Bill Lee | 282 | CHN |
| +009+ | 8.08 | Paul Derringer | 298 | CIN |
| +018+ | 6.6 | Lou Fette | 238 | ATL |
| +019+ | 6.6 | Clay Bryant | 261.3 | CHN |
| +022+ | 5.99 | Russ Bauers | 233 | PIT |
| +023+ | 5.82 | Freddie Fitzsimmons | 202.7 | LAN |
| +025+ | 5.69 | Thornton Lee | 227.3 | CHA |
| +026+ | 5.53 | Johnny Vander Meer | 207.3 | CIN |
| +027+ | 5.52 | Danny MacFayden | 209.7 | ATL |
| +033+ | 4.99 | Red Ruffing | 244.3 | NYA |
| +041+ | 4.49 | Jim Tobin | 228.3 | PIT |
| +043+ | 4.39 | Lefty Gomez | 236 | NYA |
| +044+ | 4.36 | Ira Hutchinson | 141.7 | ATL |
| +045+ | 4.34 | Bob Klinger | 152.3 | PIT |
| +047+ | 4.17 | Jim Turner | 258.3 | ATL |
| +048+ | 4.14 | Dizzy Dean | 74.7 | CHN |
| +049+ | 4.12 | Dutch Leonard | 223.3 | MIN |
| +054+ | 3.52 | Dick Errickson | 122.3 | ATL |
| +055+ | 3.19 | Bill Lohrman | 143 | SFN |
| +056+ | 3.17 | Hal Schumacher | 185.3 | SFN |
| +059+ | 2.85 | Bob Weiland | 219.3 | SLN |
| +060+ | 2.82 | Luke Hamlin | 229.7 | LAN |
| +061+ | 2.78 | Tot Pressnell | 189 | LAN |
| +062+ | 2.75 | Jim Weaver | 127 | TOT |
| +066+ | 2.59 | Milt Shoffner | 134.3 | ATL |
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