- Bats Both, Throws Right
- Height 5' 10", Weight 160 lb.
- School Southern Illinois University
- High School William Fremd High School
Mike Gellinger played in the minor leagues in 1986-1987. He was a coach for the Tampa White Sox in 1988, then managed in the Chicago White Sox chain in 1989-1991 and 1994-1995. He was the White Sox' minor league defensive coordinator in 1992-1993, and a minor league infield instructor in 1996-1998. He has been the White Sox' major league computer scouting analyst since 1999. He replaced Joey Cora as bench coach for Chicago for the final two games of the 2011 season. Gellinger was assistant hitting coach for the White Sox in 2012. He was then manager of the Bristol White Sox in 2013. As a scout, he signed Eddy Alvarez.
Year-by-Year Managerial Record
|1989||Utica Blue Sox||New York-Penn League||31-29||6th||Chicago White Sox||replaced Ron Vaughn (8-10) July 4|
|1990||GCL White Sox||Gulf Coast League||21-42||14th||Chicago White Sox|
|1991||Utica Blue Sox||New York-Penn League||39-37||5th||Chicago White Sox|
|1994||South Bend Silver Hawks||Midwest League||72-67||6th||Chicago White Sox|
|1995||GCL White Sox||Gulf Coast League||36-22||4th||Chicago White Sox||Lost in 1st round|
|2013||Bristol White Sox||Appalachian League||20-45||10th||Chicago White Sox|
|2014||AZL White Sox||Arizona League||30-25||4th (t)||Chicago White Sox|
|2015||AZL White Sox||Arizona League||30-25||5th||Chicago White Sox||League Champs|