Jerry Narron is the third manager in franchise history.
Narron, 60, managed the Texas Rangers in 2001-2002 and Cincinnati Reds from 2005-2007.
He has also had stints as a coach for the Boston Red Sox and Milwaukee Brewers.
He played parts of eight seasons from 1979-1986.
He will be introduced to the media at a press conference next Wednesday at Greater Nevada Field.