Mike Sullivan
- Given Name
- Michael Joseph
- Nickname(s)
- Big Mike
- Born
- 10/23/1870 — Boston, MA, USA
- Died
- 6/15/1906 — Boston, MA, USA
- Weight
- 210 lbs
- Height
- 6' 1"
- Throws
- R
- Bats
- L
- Team(s)
- Washington Nationals (1889)Chicago Colts (1890)Philadelphia Athletics (1891)New York Giants (1891–1897)Cincinnati Reds (1892–1893)Washington Senators (1894)Cleveland Spiders (1894–1895)Boston Beaneaters (1899)
- Debut
- 1889-06-17
- Final Game
- 1899-08-18