James M. LeClair (FB 1970-70)
  LeClair came to UND after playing football at University of Minnesota at Crookston for two years, where he established himself as an emerging star as a linebacker. While playing for the Sioux under Jerry Olson, he earned All American honors both years, twice was named to the All North Central Conference team, twice was UND's Most Valuable Player and was also named Most Valuable Defensive Lineman in the conference. After finishing his Sioux career he was drafted third round by the Cincinnati Bengals of the National Football League, where he played for 13 seasons. LeClair earned all pro honors in 1976 and was named Cincinnati's MVP in 1975 and 1980. He finished his career with the New Jersey Generals of the USFL in 1984, also earning All Pro honors in that new league.

Jack D. Mackenroth (FB; Wr 1936-37)
  Mackenroth played UND football in the depths of the big depression. He lettered as a Sioux tackle and center in 1935-37 in the days when players went two ways-- offense and defense. Twice he was named to the All North Central Conference team and served as UND co-captain in 1937. Besides being a football star, he also won a letter on UND's first wrestling team in 1936-37. After finishing his Sioux career Mackenroth signed and played with the pro Detroit Lions in 1938. Later he came back to UND and assisted the late Head Football Coach and Athletic Director, C.A. (Jack) West as line coach.

John G. Marks (H 1967-70)
  The name Marks is synonymous with UND hockey excellence, besides a former player, Marks, served very capably as an assistant hockey coach. He came to UND from Winnipeg, Manitoba, where he established himself as a premiere student-athlete. Marks lettered as an outstanding defenseman 1967-70 and his last two years was named to both the All American first teams and to the All Western Collegiate Hockey Association teams. After finishing college he played 12 years of pro hockey, including 10 years with the Chicago Black Hawks of the NHL and his first two years with the Black Hawks farm team in Dallas, Texas. He is considered one of UND's all-time great defensemen, playing on UND teams that won 71 of 116 games.

Kenneth L. Mellem (Go 1964-66)
  Mellem had a tremendous Sioux athletic career as a golfer in the mid 1960's. He played under the legendary former coach, Dr. John Quaday and lettered times. As a sophomore he was the low scorer in all team meets, as a junior he was low man in three of ten matches and as a senior he was the low scorer in eight of ten matches, averaging 77 strokes per match. He won three straight North Central Conference golf championships the same years he lettered.