| Team | Tm | Tier | Game |
|---|---|---|---|
| Chicago Cubs | CHN | 5.93 | 193808310_ATL_CHN |
| Pittsburgh Pirates | PIT | 2.27 | 193809020_SLN_PIT |
| St. Louis Cardinals | SLN | 1.96 | 193809020_SLN_PIT |
| Boston Bees | ATL | 1.15 | 193809010_ATL_CHN |
| New York Giants | SFN | 1.09 | 193809010_SFN_PIT |
| Team | Tm | Tier | Game |
|---|---|---|---|
| Philadelphia Athletics | OAK | -4.22 | 193809010_CLE_OAK |
| Washington Senators | MIN | -2.68 | 193808310_CHA_MIN |
| Detroit Tigers | DET | -1.73 | 193808310_DET_NYA |
| Philadelphia Phillies | PHI | -1.6 | 193809010_PHI_SLN |
| St. Louis Browns | BAL | -1.07 | 193808310_BAL_BOS |
Based on accumulated WAA for this season up to 1938-09-02.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +019+ | 5.82 | Bill McGee | 184 | SLN |
| +031+ | 4.67 | Russ Bauers | 194.7 | PIT |
| +040+ | 4.11 | Jumbo Brown | 76.3 | SFN |
| +041+ | 4.06 | Tot Pressnell | 178.7 | LAN |
| +048+ | 3.55 | Charlie Root | 117.3 | CHN |
| +053+ | 3.14 | Bill Swift | 123.7 | PIT |
| +055+ | 3.13 | Dizzy Dean | 60.7 | CHN |
| +056+ | 2.97 | Milt Shoffner | 105.3 | ATL |
| +057+ | 2.93 | Larry French | 186.7 | CHN |
| +060+ | 2.7 | Lon Warneke | 173.7 | SLN |
| +062+ | 2.63 | Dick Errickson | 89.3 | ATL |
| +086+ | 1.47 | Peaches Davis | 160 | CIN |
| +087+ | 1.46 | Dick Coffman | 81.3 | SFN |
| XXXXX | 1.12 | Johnny Murphy | 72.3 | NYA |
| XXXXX | 1 | Ivy Andrews | 35.3 | NYA |
| XXXXX | 0.77 | Harry Eisenstat | 99 | DET |
| XXXXX | 0.66 | Joe Krakauskas | 65.3 | MIN |
| XXXXX | 0.65 | Johnnie Wittig | 10.7 | SFN |
| XXXXX | 0.48 | Jack Russell | 80.3 | CHN |
| XXXXX | 0.43 | Slick Castleman | 85.7 | SFN |
| XXXXX | 0.33 | Joe Heving | 42 | TOT |
| XXXXX | 0.22 | Harry Gumbert | 188 | SFN |
| XXXXX | 0.22 | Joe Cascarella | 59 | CIN |
| XXXXX | 0.21 | Clyde Shoun | 93.3 | SLN |
| XXXXX | 0.11 | Mace Brown | 101.3 | PIT |
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