| Team | Tm | Tier | Game |
|---|---|---|---|
| Chicago Cubs | CHN | 4.6 | 193809300_CHN_SLN |
| Pittsburgh Pirates | PIT | 2.99 | 193810010_PIT_CIN |
| St. Louis Cardinals | SLN | 2.23 | 193810011_CHN_SLN |
| New York Giants | SFN | 0.63 | 193810010_ATL_SFN |
| Boston Red Sox | BOS | 0.61 | 193810020_NYA_BOS |
| Team | Tm | Tier | Game |
|---|---|---|---|
| Washington Senators | MIN | -4.09 | 193810021_OAK_MIN |
| St. Louis Browns | BAL | -1.9 | 193810011_BAL_CHA |
| Chicago White Sox | CHA | -1.32 | 193809301_BAL_CHA |
| Detroit Tigers | DET | -1.02 | 193810010_DET_CLE |
| Philadelphia Athletics | OAK | -0.93 | 193810021_OAK_MIN |
Based on accumulated WAA for this season up to 1938-10-02.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +017+ | 6.64 | Clay Bryant | 270 | CHN |
| +030+ | 5.09 | Jumbo Brown | 90 | SFN |
| +036+ | 4.71 | Bill McGee | 216.3 | SLN |
| +039+ | 4.64 | Lefty Grove | 163.7 | BOS |
| +048+ | 4.2 | Bob Klinger | 159.3 | PIT |
| +059+ | 3.07 | Tot Pressnell | 192 | LAN |
| +060+ | 3.06 | Bill Swift | 149.7 | PIT |
| +061+ | 2.95 | Dick Errickson | 122.7 | ATL |
| +073+ | 2.42 | Jim Weaver | 136.7 | TOT |
| +080+ | 2.03 | Curt Davis | 173.3 | SLN |
| +084+ | 1.87 | Dick Coffman | 110.7 | SFN |
| +085+ | 1.84 | Jack Russell | 101.3 | CHN |
| +088+ | 1.74 | Cy Blanton | 173 | PIT |
| +095+ | 1.51 | Johnny Lanning | 138 | ATL |
| +096+ | 1.5 | Ed Brandt | 96.3 | PIT |
| XXXXX | 1.01 | Mace Brown | 132.7 | PIT |
| XXXXX | 0.77 | Lon Warneke | 197.3 | SLN |
| XXXXX | 0.7 | Red Barrett | 28.7 | CIN |
| XXXXX | 0.6 | Mort Cooper | 23.7 | SLN |
| XXXXX | 0.49 | Bill Harris | 80.3 | BOS |
| XXXXX | 0.37 | Roy Henshaw | 130 | SLN |
| XXXXX | 0.31 | Al Epperly | 27 | CHN |
| XXXXX | 0.29 | Hiker Moran | 3 | ATL |
| XXXXX | 0.23 | Thomas Earley | 11 | ATL |
| XXXXX | 0.18 | Art Doll | 4 | ATL |
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