I never went to university montanafamilypharmacies.com Years in NFL: 1969-1976Years Behind Bars: 1983-1986 A star running back on the NFL's only undefeated Super Bowl champions - the 1972 Dolphins - Morris ended up in jail after selling cocaine to an undercover federal agent in 1982. He plead guilty and spent three-plus years (of a 20-year sentence) locked up before being granted a new trial. A no-contest plea made him a free man as the judge in the new trial reduced the penalty to four and a half years and then set him free based on his good behavior behind bars.