 Kleinendorst played for Providence College for four years, from 1979–80 to 1982–83, for Lou Lamoriello.He was selected in the fourth round (77th overall) of the 1980 NHL Entry Draft by the New York Rangers, but never played in the NHL.He was a member of the Tulsa Oilers (CHL) team that suspended operations on February 16, 1984, playing only road games for final six weeks of 1983–84 season.