 DeLeone was once the head coach at Southern Connecticut State University (SCSU) from 1976 to 1979, where he compiled a record of 15 wins and 24 losses.DeLeone has served as offensive coordinator for four different institutes, most recently at the University of Connecticut (UConn) from 2011 until 2013.He also spent four years in the National Football League (NFL) with the San Diego Chargers and Miami Dolphins.