Michael Gregory Marjama
- Bats Right, Throws Right
- Height 6' 2", Weight 205 lb.
- School California State University, Long Beach
- High School Granite Bay High School
- Debut September 3, 2017
- Final Game April 18, 2018
- Born July 20, 1989 in Roseville, CA USA
Mike Marjama retired from baseball on July 6, 2018 at the age of 28 to accept a position with the National Eating Disorders Association. Marjama has suffered from anorexia, which was triggered by trying to cut weight for his high school wrestling team.