| Team | Tm | Tier | Game |
|---|---|---|---|
| Chicago Cubs | CHN | 4.6 | 193809300_CHN_SLN |
| Pittsburgh Pirates | PIT | 2.99 | 193810010_PIT_CIN |
| St. Louis Cardinals | SLN | 2.94 | 193809290_CIN_SLN |
| New York Giants | SFN | 0.63 | 193810010_ATL_SFN |
| Boston Bees | ATL | 0.55 | 193810010_ATL_SFN |
| Team | Tm | Tier | Game |
|---|---|---|---|
| Washington Senators | MIN | -3.48 | 193809290_MIN_BOS |
| St. Louis Browns | BAL | -1.9 | 193810011_BAL_CHA |
| Chicago White Sox | CHA | -1.45 | 193809290_CHA_CLE |
| Detroit Tigers | DET | -1.02 | 193810010_DET_CLE |
| Philadelphia Phillies | PHI | -0.52 | 193809290_PHI_SFN |
Based on accumulated WAA for this season up to 1938-10-01.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +017+ | 6.68 | Clay Bryant | 270 | CHN |
| +030+ | 5.11 | Jumbo Brown | 90 | SFN |
| +037+ | 4.75 | Bill McGee | 216.3 | SLN |
| +038+ | 4.68 | Lefty Grove | 163.7 | BOS |
| +047+ | 4.22 | Bob Klinger | 159.3 | PIT |
| +058+ | 3.11 | Tot Pressnell | 192 | LAN |
| +059+ | 3.08 | Bill Swift | 149.7 | PIT |
| +061+ | 2.97 | Dick Errickson | 122.7 | ATL |
| +071+ | 2.45 | Jim Weaver | 136.7 | TOT |
| +080+ | 2.06 | Curt Davis | 173.3 | SLN |
| +084+ | 1.9 | Dick Coffman | 110.7 | SFN |
| +085+ | 1.86 | Jack Russell | 101.3 | CHN |
| +086+ | 1.8 | Larry French | 196 | CHN |
| +088+ | 1.76 | Cy Blanton | 173 | PIT |
| +092+ | 1.53 | Johnny Lanning | 138 | ATL |
| +093+ | 1.51 | Ed Brandt | 96.3 | PIT |
| XXXXX | 1.16 | Paul Dean | 25 | SLN |
| XXXXX | 1.02 | Mace Brown | 132.7 | PIT |
| XXXXX | 0.81 | Lon Warneke | 197.3 | SLN |
| XXXXX | 0.7 | Red Barrett | 28.7 | CIN |
| XXXXX | 0.39 | Roy Henshaw | 130 | SLN |
| XXXXX | 0.29 | Hiker Moran | 3 | ATL |
| XXXXX | 0.24 | Thomas Earley | 11 | ATL |
| XXXXX | 0.18 | Art Doll | 4 | ATL |
| XXXXX | 0.12 | Max Macon | 129.3 | SLN |
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