He sustained a knee injury in 1970 that ended his playing career .
Huiskens enrolled at the University of Michigan in 1968 and played college football as a tight end for head coach Bo Schembechler 's Michigan Wolverines football teams in 1969 and 1970 .
Bo Schembechler sustained a knee injury in 1970 that ended Bo Schembechler 's playing career .
Huiskens enrolled at the University of Michigan in 1968 and played college football as a tight end for head coach Bo Schembechler 's Michigan Wolverines football teams in 1969 and 1970 .