| Dick Fritz | 1989 - 1990 |
| Dick Fritz | 1990 - 1991 |
| Stan Kulesza | 1991 - 1992 |
| Bob Warner | 1992 - 1993 |
| Ricardo Diaz | 1993 - 1994 |
| Ron Wickenkamp | 1994 - 1995 |
| Gene Avila | 1995 - 1996 |
| Bill Chihak | 1996 - 1997 |
| Jim Whelan | 1997 - 1998 |
| Paul Kujawski | 1998 - 1999 |
| Stan Kulesza | 1999 - 2000 |
| Bob Budai | 2000 - 2001 |
| Stan Kulesza | 2001 - 2002 |
| Paul Kujawski | 2002 - 2003 |
| Richard Zuelke | 2003 - 2004 |
| Greg Barlow | 2004 - 2005 |
| George Alcivar | 2005 - 2006 |
| Art Blancaflor | 2006 - 2007 |
| Tim Reed | 2007 - 2008 |
| Ken Sailer | 2008 - 2009 |
| Mike Brown | 2009 - 2010 |
| Mike Brown | 2010 - 2011 |
| Greg Barlow | 2011 - 2012 |
| Richard Zuelke | 2012 - 2013 |
| Gabino Guillen | 2013 - 2014 |
| Tom Bray | 2014 - 2015 |