A former American football wide receiver. Haven played collegiately for Los Angeles harbour College and San Diego State University. He was drafted by the American Football League's Buffalo Bills in the first round (9th overall) of the 1968 draught and played for the Bills from 1968 to 1972. During the 1972 season he was traded to the Denver Broncos for Wide Receiver Dwight Harrison. Haven made the AFL All-Star Game in 1969 and the NFL Pro Bowl in 1973. He is on the "Ring of Fame" in Invesco Field at Mile High.