** FILE ** In this November 1973 file photo, former Minnesota Vikings football player Karl Kassulke is wheeled onto the field by Vikings' Jim Marshall (70), Bill Brown and Grady Alderman (67) at halftime of an NFL football game between the Vikings and the Chicago Bears in Bloomington, Minn. Kassulke died Tuesday, Oct. 28, 2008, of a heart attack. His career ended when he was paralyzed in a motorcycle accident. (AP Photo/File)