| No amateur resultsProfessional record| Date | Opponent | Place | Result |  | 1976 |  | + Feb. 20 | Lorenzo Simons | Hato Rey, Puerto Rico | KO 3 |  | + Apr. 5 | Rafael Guerrero | San Juan, Puerto Rico | KO 2 |  | + Apr. 27 | Luis Reins | San Juan, Puerto Rico | KO 1 |  | + July 17 | Ed Turner | San Juan, Puerto Rico | W 8 |  | + Aug. 16 | Aaron Solomon | San Juan, Puerto Rico | KO 1 |  | 1977 |  | + Feb. 12 | Ed Turner | Bayamon, Puerto Rico | KO 2 |  | + Mar. 17 | Gene Idelette | San Juan, Puerto Rico | KO 1 |  | + June 14 | Roy Morris | Orlando, USA | KO 2 |  | + June 25 | Frank Schram | Bayamon, Puerto Rico | KO 4 |  | + July 12 | Tom Nickson | Orlando, USA | KO 4 |  | 1978 |  | + Apr. 8 | Kevin Isaac | Bayamon, Puerto Rico | W 10 |  | + June 9 | Jimmy Young | Las Vegas, USA | W 10 |  | 1979 |  | + Jan. 27 | Jimmy Young | San Juan, Puerto Rico | W 10 |  | - Mar. 23 | Larry Holmes | Las Vegas, USA | TKO by 7 |  | (For WBC Heavyweight Title) |  | + Nov. 20 | Jack Sterling | Miami, USA | KO 1 |  | 1980 |  | = Apr. 22 | Michael Dokes | San Juan, Puerto Rico | Draw 10 |  | - June 27 | Michael Dokes | San Juan, Puerto Rico | TKO by 1 |  | + Oct. 23 | Barry Funches | New York, USA | W 10 |  | 1981 |  | - Mar. 17 | John Louis Gardner | Wembley, Great Britain | KO by 6 |  | 1982 |  | + Feb. 13 | Robbie  Williams | Johannesburg, South Africa | W 15 |  | (Won inaugural WBA Cruiserweight Title) |  | + Dec. 15 | Young Joe Louis | Chicago, USA | W 15 |  | (Retained WBA Cruiserweight Title) |  | 1983 |  | + May 20 | Randy Stephens | Las Vegas, USA | W 15 |  | (Retained WBA Cruiserweight Title) |  | 1984 |  | + May 5 | John Odhiambho | Guaynabo, Puerto Rico | TKO 15 |  | (Retained WBA Cruiserweight Title) |  | - Dec. 1 | Piet Crous | Sun City, South Africa | L 15 |  | (Lost WBA Cruiserweight Title) |  | 1985 Inactive
 |  | 1986 |  | + Mar. 23 | Narcisco Maldonado | Reno, USA | W 10 |  | 1987 |  | + May 15 | Dwight Muhammad Qawi | Las Vegas, USA | W 10 |  | - Aug. 15 | Evander  Holyfield | Saint Tropez, France | TKO by 11 |  | (For IBF Cruiserweight Title) |  | 1988 |  | + Mar. 6 | Pierre Coetzer | Cape Town, South Africa | W 10 |  | - Nov. 26 | Pierre Coetzer | Johannesburg, South Africa | L 10 |  | 1989 |  | - Dec. 7 | Ray Mercer | Las Vegas, USA | L 8 |  | 1990 |  | - Jan. 11 | Tyrell Biggs | Atlantic City, USA | L 10 |  | - May 18 | Bruce Seldon | San Jose, USA | L 8 |  | - June 27 | Lennox Lewis | Kensington, Great Britain | L 8 |  | + Oct. 3 | Jess Harding | Basildon, Great Britain | TKO 8 |  | - Dec. 14 | Mike Hunter | Sydney, Australia | L 10 |  | 1991 Inactive
 |  | 1992 |  | - Aug. 20 | Carl Williams | Atlantic City, USA | L 10 |  | - Nov. 23 | Alex Garcia | Inglewood, USA | TKO by 8 | 
   SummaryTotal bouts: 37, Won: 23 (12 inside the limit), Lost: 13 (5 inside the limit), Draw: 1, NC: 0 |