Ken Arlt |UD |10 |07/04/1983 |align=left| Marriott Hotel, Portland, Oregon |align=left| |- |Win |32–12–4 |align=left| Larry Ware |TKO |7 |28/02/1983 |align=left| Edmonton, Alberta |align=left| |- |Win |31–12–4 |align=left|Steve Ward |KO |8 |13/11/1982 |align=left| Gillette, Minnesota |align=left| |- |Win |30–12–4 |align=left|Marlo Malino |KO |5 |27/10/1982 |align=left| Schollander Pavilion, West Fargo, North Dakota |align=left| |- |Loss |29–12–4 |align=left| Gordon Racette |SD |10 |23/09/1982 |align=left| PNE Agrodome, Vancouver, British Columbia | |- |Loss |29–11–4 |align=left| Gerrie Coetzee |KO |8 |27/03/1982 |align=left| Rand Stadium, Johannesburg, Gauteng |align=left| |- |Win |29–10–4 |align=left|Steve Sanchez |KO |8 |25/02/1982 |align=left| Sioux Falls, South Dakota |align=left| |- |Loss |28–10–4 |align=left| Greg Page |TKO |4 |12/11/1981 |align=left| Thomas Robinson Stadium, Nassau, Bahamas |align=left| |- |Win |28–9–4 |align=left| Arnold Sam |PTS |10 |30/07/1981 |align=left| Gillette, Minnesota |align=left| |- |Win |27–9–4 |align=left| Reggie Fleming |KO |2 |24/04/1981 |align=left| Billings, Montana |align=left| |- |Loss |26–9–4 |align=left| Larry Holmes |TKO |7 |07/07/1980 |align=left| Met Center, Bloomington, Minnesota |align=left| |- |Win |26–8–4 |align=left| Marty Monroe |UD |10 |09/03/1980 |align=left| Saint Paul Civic Center, Saint Paul, Minnesota |align=left| |- |Loss |25–8–4 |align=left| Mike Weaver |UD |12 |24/11/1979 |align=left| Met Center, Bloomington, Minnesota |align=left| |- |style="background: #B0C4DE"|Draw |25–7–4 |align=left| Ken Norton |PTS |10 |19/08/1979 |align=left| Met Center, Bloomington, Minnesota | |- |Loss |25–7–3 |align=left| Ron Lyle |SD |10 |12/05/1979 |align=left| Las Vegas, Nevada | |- |Win |25–6–3 |align=left| James J. Beattie |TKO |3 |20/02/1979 |align=left| Met Center, Bloomington, Minnesota |align=left| |- |Win |24–6–3 |align=left| Joe Donatto |KO |3 |15/12/1978 |align=left| Omaha Civic Auditorium, Omaha, Nebraska |align=left| |- |Win |23–6–3 |align=left| James Brown |KO |2 |10/11/1978 |align=left| Caesars Palace, Las Vegas, Nevada | |- |Win |22–6–3 |align=left| Sylvester Wilder |KO |2 |03/10/1978 |align=left| Winnipeg, Manitoba |align=left| |- |style="background: #B0C4DE"|Draw |21–6–3 |align=left| Bill Sharkey |PTS |10 |26/09/1978 |align=left| Miami Beach Convention Center, Miami Beach, Florida |align=left| |- |style="background: #B0C4DE"|Draw |21–6–2 |align=left| Leon Spinks |PTS |10 |22/10/1977 |align=left| Aladdin Theatre for the Performing Arts, Las Vegas, Nevada | |- |Loss |21–6–1 |align=left| Duane Bobick |TKO |8 |28/07/1977 |align=left| Met Center, Bloomington, Minnesota |align=left| |- |Win |21–5–1 |align=left| Tom Prater |TKO |7 |23/06/1977 |align=left| Met Center, Bloomington, Minnesota |align=left| |- |Win |20–5–1 |align=left| Pedro Soto |SD |10 |02/03/1977 |align=left| Madison Square Garden, New York City |align=left| |- |Loss |19–5–1 |align=left| Johnny Boudreaux |UD |8 |13/02/1977 |align=left| Halsey Field House, Annapolis, Maryland |align=left| |- |Win |19–4–1 |align=left| Rocky Bentley |KO |2 |30/11/1976 |align=left| Minneapolis, Minnesota |align=left| |- |Loss |18–4–1 |align=left| George Foreman