Michael Joseph Kelley was an American professional baseball first baseman, manager, and owner. He played professionally for 13 seasons, including one year in the major leagues with the Louisville Colonels of the National League, but he is best known for his career as both a manager and an owner in the minor leagues, which spanned the first half of the 20th century. He became a legendary figure in the "Twin Cities" of Minneapolis–St. Paul.
- Occupation
- baseball player
- Citizenship
- United States
- Born
- December 2, 1875
- Died
- June 6, 1955