Grigson played college football as a tight end and offensive tackle for the Purdue Boilermakers and was drafted by the Cincinnati Bengals in the sixth round of the 1995 NFL Draft. He was a member of the Detroit Lions from 1995 to 1996, and played for the Toronto Argonauts of the Canadian Football League in 1997 before he retired due to a back injury. Grigson was a pro scout for the Saskatchewan Roughriders and an assistant coach for McPherson College in 1998. In 1999, he was a player personnel coordinator and assistant coach for the Buffalo Destroyers of the Arena Football League.
