| Home | Teams and Players | Homerun Kings | Top Salaries | Most Runs Batted In | Hall of Fame |
| Name | Ad Brennan |
| Given Name | Addison Foster |
| Birth Date | 1887-7-18 |
| Birth City | La Harpe, KS |
| Height | 5'11" |
| Weight | 170 lbs. |
| Batting Hand | Left |
| Pitching Hand | Left |
| Alive | No |
| Age | 74 |
| Year | Team | Hits | At Bats | Home Runs | Runs Batted | Batting Average | Wins | Losses | # of Pitching Games | Strikeouts | # of Shutouts |
|---|---|---|---|---|---|---|---|---|---|---|---|
| 1910 | Philadelphia Phillies | 7 | 25 | 0 | 1 | 0.28 | 2 | 0 | 19 | 28 | 0 |
| 1911 | Philadelphia Phillies | 2 | 9 | 0 | 0 | 0.222222 | 2 | 1 | 5 | 12 | 0 |
| 1912 | Philadelphia Phillies | 15 | 59 | 1 | 6 | 0.254237 | 11 | 9 | 27 | 78 | 1 |
| 1913 | Philadelphia Phillies | 11 | 67 | 0 | 2 | 0.164179 | 14 | 12 | 40 | 94 | 1 |
| 1914 | Chicago Chi-Feds | 8 | 32 | 0 | 3 | 0.25 | 5 | 5 | 16 | 31 | 1 |
| 1915 | Chicago Whales | 5 | 27 | 0 | 0 | 0.185185 | 3 | 9 | 19 | 40 | 2 |
| 1918 | Cleveland Indians | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 2 | 0 | 0 |
| 1918 | Cleveland Indians | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 |
| 1918 | Cleveland Indians | 0 | 0 | 0 | 0 | NAN | 0 | 0 | 2 | 0 | 0 |
| 1918 | Cleveland Indians | 0 | 0 | 0 | 0 | NAN | 0 | 0 | 1 | 0 | 0 |
| 1918 | Washington Senators | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 2 | 0 | 0 |
| 1918 | Washington Senators | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 |
| 1918 | Washington Senators | 0 | 0 | 0 | 0 | NAN | 0 | 0 | 2 | 0 | 0 |
| 1918 | Washington Senators | 0 | 0 | 0 | 0 | NAN | 0 | 0 | 1 | 0 | 0 |
| Year | Position | Errors | Double Plays | Assists |
|---|---|---|---|---|
| 1910 | Outfielder | 0 | 0 | 0 |
| 1910 | Pitcher | 1 | 1 | 13 |
| 1911 | Pitcher | 1 | 0 | 8 |
| 1912 | Pitcher | 1 | 1 | 53 |
| 1913 | Pitcher | 4 | 1 | 53 |
| 1914 | Pitcher | 3 | 2 | 23 |
| 1915 | Outfielder | 0 | 0 | 0 |
| 1915 | Pitcher | 1 | 0 | 23 |
| 1918 | Pitcher | 0 | 0 | 2 |
| 1918 | Pitcher | 0 | 0 | 0 |