Complex sentence: Dupree enrolled at the University of Florida in Gainesville, Florida, where he played at the halfback and fullback positions for coach Ray Graves's Florida Gators football team from 1962 to 1964.
Split into simpler sentences: Dupree enrolled at the University of Florida in Gainesville. He played at the halfback and fullback positions for the Florida Gators football teams from 1962 to 1964.