Nash attended St. Augustine High School in New Orleans, Louisiana where he played defensive back.

He then attended the University of Southwestern Louisiana, where he went from a walk-on defensive back in 1988 to being voted a permanent team captain by 1992.

After spending training camp with the NFL's New York Giants in 1993, Nash moved to the CFL.

[1] On January 29, 2016, Nash was hired as the head strength and conditioning coach for the Detroit Lions.

[2] On January 3, 2020, Nash was fired by head coach Matt Patricia.