Robert Miller was a backup running back for the Minnesota Vikings between 1975-1980.
Running Back/ Half Back
Walter Payton.
Walter Payton....
Best running-back was obviously legendary Walter Payton #34.
Michael Ford plays Running Back for the Chicago Bears.
Senorise Perry plays Running Back for the Chicago Bears.
Ka'Deem Carey plays Running Back for the Chicago Bears.
Walter spent all of his 13 years in the NFL with the Chicago Bears, leading them to the Super Bowl victory in 1985.
Neal Anderson has: Played Himself - Chicago Bears Running Back in "The NFL on NBC" in 1965. Played Himself - Chicago Bears Running Back in "NFL Monday Night Football" in 1970. Played Himself - Chicago Bears Fullback in "NFL Monday Night Football" in 1970. Played Himself - 27th Overall Pick in "1986 NFL Draft" in 1986. Played Himself - Chicago Bears Running Back in "1988 NFC Championship Game" in 1989. Played himself in "ESPN SportsCentury" in 1999.
Gale Sayers (Chicago Bears Running Back) and Barry Sanders (Detroit Lions Running Back) are all I know.
Gale Sayers