| Team | Tm | Tier | Game |
|---|---|---|---|
| Cincinnati Reds | CIN | 5.15 | 193809060_SLN_CIN |
| Pittsburgh Pirates | PIT | 2.53 | 193809051_CHN_PIT |
| St. Louis Cardinals | SLN | 2.18 | 193809040_SLN_PIT |
| Boston Bees | ATL | 1.31 | 193809060_ATL_SFN |
| New York Giants | SFN | 1.29 | 193809060_ATL_SFN |
| Team | Tm | Tier | Game |
|---|---|---|---|
| Washington Senators | MIN | -3.23 | 193809060_BOS_MIN |
| Philadelphia Athletics | OAK | -2.74 | 193809051_OAK_NYA |
| St. Louis Browns | BAL | -2.08 | 193809051_DET_BAL |
| Chicago White Sox | CHA | -0.89 | 193809051_CLE_CHA |
| Philadelphia Phillies | PHI | -0.53 | 193809041_PHI_ATL |
Based on accumulated WAA for this season up to 1938-09-06.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +006+ | 7.56 | Paul Derringer | 261 | CIN |
| +024+ | 5.46 | Johnny Vander Meer | 180.3 | CIN |
| +035+ | 4.44 | Jumbo Brown | 80 | SFN |
| +044+ | 3.64 | Jim Tobin | 200.3 | PIT |
| +045+ | 3.62 | Bob Weiland | 205 | SLN |
| +051+ | 3.3 | Ira Hutchinson | 120 | ATL |
| +056+ | 3.07 | Bill Swift | 123.7 | PIT |
| +062+ | 2.73 | Larry French | 188 | CHN |
| +074+ | 2.2 | Dick Coffman | 93.3 | SFN |
| +080+ | 1.89 | Milt Shoffner | 110 | ATL |
| XXXXX | 0.98 | Ivy Andrews | 35.3 | NYA |
| XXXXX | 0.73 | Joe Heving | 52.3 | TOT |
| XXXXX | 0.58 | Slick Castleman | 87.7 | SFN |
| XXXXX | 0.47 | Jack Russell | 85 | CHN |
| XXXXX | 0.37 | Clyde Shoun | 95.3 | SLN |
| XXXXX | 0.21 | Mace Brown | 107.3 | PIT |
| XXXXX | -0.01 | Syl Johnson | 78 | PHI |
| XXXXX | -0.03 | Rip Sewell | 38.3 | PIT |
| XXXXX | -0.11 | Joe Bowman | 59 | PIT |
| XXXXX | -0.36 | Joe Cascarella | 60 | CIN |
| XXXXX | -0.38 | Gene Schott | 74.7 | CIN |
| XXXXX | -0.53 | Ray Harrell | 60.7 | SLN |
| XXXXX | -0.55 | Harry Boyles | 17.3 | CHA |
| XXXXX | -0.83 | Pete Appleton | 139.3 | MIN |
| XXXXX | -0.93 | Bobby Reis | 58.3 | ATL |
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