Michael John Cosgrove
- Bats Left, Throws Left
- Height 6' 1", Weight 180 lb.
- School Phoenix College
- High School Bourgade Catholic High School
- Debut September 10, 1972
- Final Game September 25, 1976
- Born February 17, 1951 in Phoenix, AZ USA
Mike Cosgrove pitched in five seasons with the Houston Astros, recording a 12-11, 4.03 line and 8 saves in 119 games (274 2/3 innings). In 1989, he played for the Orlando Juice of the Senior Professional Baseball Association. In 1990, he had pitched 4 games in the SPBA for the Florida Tropics when the league folded.