Joshua Brent Geer
- Bats Right, Throws Right
- Height 6' 3", Weight 190 lb.
- College Navarro College, Rice University
- High School Forney High School
- Debut August 30, 2008
- Final Game July 27, 2009
- Born June 2, 1983 in Dallas, TX USA
Early in 2011, Geer was diagnosed with Stage III melanoma, a form of skin cancer, and had eight lymph nodes removed from his neck. He recovered fully and was able to resume pitching in the Arizona Fall League in September of that year.