Klopfenstein had 28 catches for 284 yards last fall. His five catches for 134 yards, including a 78-yard touchdown, helped the Buffs beat UTEP in the 2004 Houston Bowl. The 78-yard scamper is the longest reception by a tight end in school history.
The John Mackey Award is given annually to the nation's best collegiate tight end. The Mackey Award selection committee announces the winner in December. Former Colorado tight end Daniel Graham won the award in 2001.