The first consensus All-American in basketball at Davidson, Hetzel was the first Davidson player to score more than 2,000 points (2,032) in his career and set school records for most points (53) and rebounds (27) in a game. He led Davidson to national Top 10 rankings in 1964 and 1965. He was the key player on Davidson's first three 20-win seasons. Three times he was named Southern Conference Basketball Player and Athlete of the Year. Hetzel was a first round NBA draft pick of the San Francisco Warriors and played seven professional seasons.