Sanfilippo earned three varsity letters in wrestling at Parma. He was a two-time all-conference selection in wrestling for the Redmen. In 1964, he was the 103 lbs. state runner–up, having placed 2nd at the OHSAA State Wrestling Tournament.  He was also selected as the PSH Most Valuable Wrestler that year as well after finishing undefeated during the regular season. 

After graduation, he wrestled at Baldwin-Wallace and eventually coached and officiated wrestling for many years in the area.