Richard Warren Hacker
- Bats Both, Throws Right
- Height 6' 0", Weight 160 lb.
- School Southern Illinois University
- High School New Athens Township High School
- Debut July 2, 1971
- Final Game September 26, 1971
- Born October 6, 1947 in Belleville, IL USA
Hacker began 1979 as scouting supervisor for the San Diego Padres. When Glenn Ezell had open-heart surgery in May, Hacker went to be the 1st base coach for player-manager Rusty Gerhardt. When Tim Flannery was injured in August, Hacker was pressed into playing for the first time since 1973. He was a St. Louis Cardinals coach from 1986 to 1990 and a member of the Toronto Blue Jays staff from 1991 to 1994.