Bison Open Champions - 118
1970–Results Unavailable
1971–Bob Orta, Nebraska
1972–Harley Haug, Minnesota State Moorhead
1973–Dave Mulnix, Northern Iowa
Dave Cunningham, Northern Iowa
1974–Brad Thompson, Unattached
John Hagan, Minnesota State Mankato
1975–Mike McArthur, Minnesota
1976–Ron Teague, South Dakota State
1977–Ron Teague, South Dakota State
1978–Guy Kimball, North Dakota State
1979–Brad Huckle, Minnesota
1980–Jerry Hoy, Minnesota-Duluth
1981–Jerry Hoy, Unattached
1982–Ed Giese, Minnesota
1983–Scott Knowlen, North Dakota
1984–Ed Giese, Minnesota
1985–Ed Giese, Minnesota
1986–Dave Calliguri, North Dakota State
1987–Dave Calliguri, North Dakota State
1988–Dave Calliguri, North Dakota State
1989–Dave Calliguri, North Dakota State
1990–Brian Kapusta, Unattached
1991–Brian Kapusta, North Dakota State
1992–Brian Kapusta, North Dakota State
1993–Brian Kapusta, North Dakota State
1994–Brian Kapusta, North Dakota State
1995–Kipp Williamson, Minnesota
1996–Brandon Paulson, Minnesota
1997–Brett Lawrence, Minnesota
LeRoy Vega, Minnesota
1998–LeRoy Vega, Minnesota
*This weight class has been discontinued by the NCAA.
1971–Bob Orta, Nebraska
1972–Harley Haug, Minnesota State Moorhead
1973–Dave Mulnix, Northern Iowa
Dave Cunningham, Northern Iowa
1974–Brad Thompson, Unattached
John Hagan, Minnesota State Mankato
1975–Mike McArthur, Minnesota
1976–Ron Teague, South Dakota State
1977–Ron Teague, South Dakota State
1978–Guy Kimball, North Dakota State
1979–Brad Huckle, Minnesota
1980–Jerry Hoy, Minnesota-Duluth
1981–Jerry Hoy, Unattached
1982–Ed Giese, Minnesota
1983–Scott Knowlen, North Dakota
1984–Ed Giese, Minnesota
1985–Ed Giese, Minnesota
1986–Dave Calliguri, North Dakota State
1987–Dave Calliguri, North Dakota State
1988–Dave Calliguri, North Dakota State
1989–Dave Calliguri, North Dakota State
1990–Brian Kapusta, Unattached
1991–Brian Kapusta, North Dakota State
1992–Brian Kapusta, North Dakota State
1993–Brian Kapusta, North Dakota State
1994–Brian Kapusta, North Dakota State
1995–Kipp Williamson, Minnesota
1996–Brandon Paulson, Minnesota
1997–Brett Lawrence, Minnesota
LeRoy Vega, Minnesota
1998–LeRoy Vega, Minnesota
*This weight class has been discontinued by the NCAA.
