Tannen accepted an athletic scholarship to attend the
University of Florida in Gainesville, Florida, where he played
defensive back for coach
Ray Graves'
Florida Gators football team from
1967 to
1969. He developed a reputation for tough play and being brash and cocky. Tannen was a first-team
All-Southeastern Conference (SEC) selection in
1968, a first-team All-American in
1969, and the recipient of the Gators'
Fergie Ferguson Award recognizing the "senior football player who displays outstanding leadership, character and courage." A versatile athlete, Tannen finished his three-season college career with 11 interceptions, and led the team in punt return yardage as a senior. In 2006, the sportswriters of
The Gainesville Sun chose him as No. 15 among the 100 greatest players from the first 100 years of Florida Gators football. == Professional career ==