| Team | Tm | Tier | Game |
|---|---|---|---|
| Pittsburgh Pirates | PIT | 2.18 | 191509200_LAN_PIT |
| St. Louis Browns | BAL | 1.72 | 191509200_BAL_MIN |
| Washington Senators | MIN | 0.94 | 191509210_CHA_MIN |
| Philadelphia Phillies | PHI | 0.91 | 191509211_PHI_SLN |
| Cincinnati Reds | CIN | 0.48 | 191509210_ATL_CIN |
| Team | Tm | Tier | Game |
|---|---|---|---|
| Philadelphia Athletics | OAK | -8.7 | 191509210_DET_OAK |
| New York Giants | SFN | -6.1 | 191509190_SFN_CHN |
| Chicago Cubs | CHN | -2.5 | 191509190_SFN_CHN |
| St. Louis Cardinals | SLN | -0.97 | 191509191_PHI_SLN |
| Cincinnati Reds | CIN | -0.11 | 191509200_ATL_CIN |
Based on accumulated WAA for this season up to 1915-09-21.
| Rank | WAA | Name | IP | Tm |
|---|---|---|---|---|
| +013+ | 4.69 | Al Mamaux | 236.3 | PIT |
| +029+ | 3.14 | Rube Foster | 229.3 | BOS |
| +032+ | 3.1 | Gene Dale | 274.3 | CIN |
| +038+ | 2.82 | Doc Ayers | 188 | MIN |
| +041+ | 2.76 | Erskine Mayer | 257 | PHI |
| +049+ | 2.39 | Jeff Tesreau | 280 | SFN |
| +065+ | 1.99 | Carl Weilman | 278.7 | BAL |
| +075+ | 1.61 | Red Hoff | 38 | BAL |
| XXXXX | 1.15 | Reb Russell | 218.3 | CHA |
| XXXXX | 0.9 | Lynn Brenton | 42.7 | CLE |
| XXXXX | 0.6 | Charlie Boardman | 19 | SLN |
| XXXXX | 0.58 | Harry Eccles | 15 | OAK |
| XXXXX | 0.25 | Nap Rucker | 104.7 | LAN |
| XXXXX | 0.25 | Bill Morrisette | 10 | OAK |
| XXXXX | 0.12 | Cliff Markle | 5 | NYA |
| XXXXX | 0.11 | Johnny Tillman | 1.7 | BAL |
| XXXXX | 0.07 | Dan Tipple | 1 | NYA |
| XXXXX | 0.07 | Phil Slattery | 1 | PIT |
| XXXXX | 0.06 | Bob Wright | 1 | CHN |
| XXXXX | -0.03 | Fred Lamlein | 19 | SLN |
| XXXXX | -0.1 | Carl Mays | 119.7 | BOS |
| XXXXX | -0.15 | Paul Carter | 36.3 | CLE |
| XXXXX | -0.22 | Limb McKenry | 89.3 | CIN |
| XXXXX | -0.46 | King Cole | 51 | NYA |
| XXXXX | -0.63 | Red Oldham | 45.7 | DET |
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