1993: Rene Lachemann, 64-98
1994: Rene Lachemann, 51-64*
1995: Rene Lachemann, 67-76*
1996: Rene Lachemann, 39-47; Cookie Rojas, 1-0; John Boles, 40-35
1997: Jim Leyland, 92-70 (won World Series)
1998: Jim Leyland, 54-108
1999: John Boles, 64-98
2000: John Boles, 79-82
2001: John Boles, 22-26; Tony Perez, 54-60
2002: Jeff Torborg, 79-83
2003: Jeff Torborg, 16-22; Jack McKeon, 75-49 (won World Series)
2004: Jack McKeon, 83-79
2005: Jack McKeon 83-79
2006: Joe Girardi 78-84
2007: Fredi Gonzalez, 71-91
2008: Fredi Gonzalez, 84-77
2009: Fredi Gonzalez, 87-75
2010: Fredi Gonzalez, 34-36; Edwin Rodriguez 46-46
2011: Edwin Rodriguez, 32-39; Brandon Hyde, 0-1; Jack McKeon, 40-50
2012: Ozzie Guillen, 69-93
2013: Mike Redmond
*--season shortened by players strike
1994: Rene Lachemann, 51-64*
1995: Rene Lachemann, 67-76*
1996: Rene Lachemann, 39-47; Cookie Rojas, 1-0; John Boles, 40-35
1997: Jim Leyland, 92-70 (won World Series)
1998: Jim Leyland, 54-108
1999: John Boles, 64-98
2000: John Boles, 79-82
2001: John Boles, 22-26; Tony Perez, 54-60
2002: Jeff Torborg, 79-83
2003: Jeff Torborg, 16-22; Jack McKeon, 75-49 (won World Series)
2004: Jack McKeon, 83-79
2005: Jack McKeon 83-79
2006: Joe Girardi 78-84
2007: Fredi Gonzalez, 71-91
2008: Fredi Gonzalez, 84-77
2009: Fredi Gonzalez, 87-75
2010: Fredi Gonzalez, 34-36; Edwin Rodriguez 46-46
2011: Edwin Rodriguez, 32-39; Brandon Hyde, 0-1; Jack McKeon, 40-50
2012: Ozzie Guillen, 69-93
2013: Mike Redmond
*--season shortened by players strike
