As a teenager, Don Hultz began playing football at Mobile County High School in Grand Bay, Alabama.[1] After graduating from high school, he played college football at the University of Southern Mississippi in Hattiesburg, Mississippi, where he played both offensive and defensive positions. In 1962, during Hultz's senior year, Southern Mississippi's football team won the UPI Small College National Championship.[2]
Following college, Hultz signed as a free agent to play in the NFL with the Minnesota Vikings. He played his first season with the Vikings in 1963. Before the 1964 season he was traded as part of a 4-for-1 deal to the Philadelphia Eagles where he played the following 9 seasons. During those first ten years (both at Minnesota and Philadelphia) he wore the number 83.[3] After the 1973 season he was traded to the Chicago Bears where he played his final season in 1974. During that final year he wore the number 67.[3] While in the NFL, Hultz played defensive end, defensive tackle, and linebacker.[4][5]