Mark Wiley was pitching coach of the Baltimore Orioles in 1987 and the Cleveland Indians from 1988 to 1991 and again from 1995 to 1998. He moved on to the Kansas City Royals staff in 1999 before returning to the Orioles as pitching coach from 2001 to 2004. He was also a Florida Marlins coach in 2005. Since then, he has worked in the Colorado Rockies front office.