| No. | Result | Record | Opponent | Type | Round, time | Date | Location | Notes |
| 57 | Win | 52–4–1 | Shelby Gross | KO | 1 (10), 0:32 | Feb 8, 2008 | Sheikh Rashid Hall, Dubai, UAE | |
| 56 | Win | 51–4–1 | Roderick Willis | SD | 10 | Oct 31, 2007 | José Miguel Agrelot Coliseum, San Juan, Puerto Rico | |
| 55 | Win | 50–4–1 | Rich Boruff | TKO | 1 (8), 1:34 | Aug 16, 2007 | Figali Convention Center, Panama City, Panama | |
| 54 | Win | 49–4–1 | Sedreck Fields | UD | 10 | Mar 16, 2007 | Hard Rock Live, Hollywood, Florida, U.S. | |
| 53 | Win | 48–4–1 | Cliff Couser | KO | 1 (10), 1:36 | Dec 9, 2006 | Hard Rock Live, Hollywood, Florida, U.S. | |
| 52 | Win | 47–4–1 | Vassiliy Jirov | TKO | 9 (12), 2:08 | Dec 9, 2004 | Pechanga Resort & Casino, Temecula, California, U.S. | Won vacant WBA–NABA and WBC Continental Americas heavyweight titles |
| 51 | Loss | 46–4–1 | Eliseo Castillo | UD | 10 | Jul 3, 2004 | American Airlines Arena, Miami, Florida, U.S. | |
| 50 | Win | 46–3–1 | Jose Arimatea da Silva | TKO | 7 (10) | Jan 17, 2004 | Seminole Casino, Coconut Creek, Florida, U.S. | |
| 49 | Win | 45–3–1 | Rogério Lobo | KO | 1 (10), 1:04 | Aug 23, 2003 | Seminole Casino, Coconut Creek, Florida, U.S. | |
| 48 | Win | 44–3–1 | Otis Tisdale | UD | 10 | Mar 29, 2003 | Seminole Casino, Coconut Creek, Florida, U.S. | |
| 47 | Loss | 43–3–1 | David Tua | KO | 1 (10), 0:30 | Aug 17, 2002 | Etess Arena, Atlantic City, New Jersey, U.S. | |
| 46 | Win | 43–2–1 | Robert Davis | UD | 10 | Feb 16, 2002 | Mohegan Sun Arena, Montville, Connecticut, U.S. | |
| 45 | Win | 42–2–1 | Terry Porter | TKO | 4 (10), 1:11 | Dec 9, 2001 | Great Plains Coliseum, Lawton, Oklahoma, U.S. | |
| 44 | Draw | 41–2–1 | Dale Crowe | TD | 5 (10), 0:35 | Jul 27, 2001 | Soaring Eagle Casino, Mount Pleasant, Michigan, U.S. | TD after Crowe cut from accidental head clash |
| 43 | Win | 41–2 | Terrence Lewis | TKO | 2 (10), 2:42 | Jan 12, 2001 | Lucky Star Casino, Concho, Oklahoma, U.S. | |
| 42 | Win | 40–2 | Lorenzo Boyd | TKO | 4 (9), 1:22 | Nov 17, 2000 | Memorial Auditorium, Burlington, Iowa, U.S. | |
| 41 | Loss | 39–2 | Evander Holyfield | RTD | 8 (12), 3:00 | Nov 8, 1997 | Thomas & Mack Center, Paradise, Nevada, U.S. | Lost IBF heavyweight title;For WBA heavyweight title |
| 40 | Win | 39–1 | Vaughn Bean | MD | 12 | Mar 29, 1997 | Las Vegas Hilton, Winchester, Nevada, U.S. | Retained IBF heavyweight title |
| 39 | Win | 38–1 | Francois Botha | TKO | 12 (12), 0:18 | Nov 9, 1996 | MGM Grand Garden Arena, Paradise, Nevada, U.S. | Retained IBF heavyweight title |
| 38 | Win | 37–1 | Axel Schulz | SD | 12 | Jun 22, 1996 | Westfalenstadion, Dortmund, Germany | Won vacant IBF heavyweight title |
| 37 | Win | 36–1 | Melvin Foster | UD | 10 | May 13, 1995 | ARCO Arena, Sacramento, California, U.S. | |
| 36 | Loss | 35–1 | George Foreman | KO | 10 (12), 2:03 | Nov 5, 1994 | MGM Grand Garden Arena, Paradise, Nevada, U.S. | Lost WBA and IBF heavyweight titles |
| 35 | Win | 35–0 | Evander Holyfield | MD | 12 | Apr 22, 1994 | Caesars Palace, Paradise, Nevada, U.S. | Won WBA and IBF heavyweight titles |
| 34 | Win | 34–0 | Mike Evans | UD | 10 | Dec 4, 1993 | Convention Center, Reno, Nevada, U.S. | |
| 33 | Win | 33–0 | James Pritchard | TKO | 3 (10), 2:46 | Jun 22, 1993 | Etess Arena, Atlantic City, New Jersey, U.S. | |
| 32 | Win | 32–0 | Frankie Swindell | TKO | 3 (10), 1:42 | Apr 27, 1993 | The Palace, Auburn Hills, Michigan, U.S. | |
| 31 | Win | 31–0 | James Smith | UD | 10 | Feb 27, 1993 | Showboat, Atlantic City, New Jersey, U.S. | |
| 30 | Win | 30–0 | Billy Wright | TKO | 2 (10), 1:26 | Nov 13, 1992 | Thomas & Mack Center, Paradise, Nevada, U.S. | |
| 29 | Win | 29–0 | Bert Cooper | TKO | 5 (12), 2:21 | May 15, 1992 | Etess Arena, Atlantic City, New Jersey, U.S. | Won vacant WBO heavyweight title |
| 28 | Win | 28–0 | Everett Martin | UD | 10 | Mar 17, 1992 | The Palace, Auburn Hills, Michigan, U.S. | |
| 27 | Win | 27–0 | Mike White | UD | 10 | Feb 1, 1992 | Caesars Palace, Paradise, Nevada, U.S. | |
| 26 | Win | 26–0 | Bobby Crabtree | RTD | 1 (10), 3:00 | Nov 23, 1991 | Omni Coliseum, Atlanta, Georgia, U.S. | |
| 25 | Win | 25–0 | Alex Stewart | TKO | 4 (10), 1:54 | Jul 27, 1991 | The Scope, Norfolk, Virginia, U.S. | |
| 24 | Win | 24–0 | Levi Billups | TKO | 3 (10), 2:49 | Jun 25, 1991 | The Palace, Auburn Hills, Michigan, U.S. | |
| 23 | Win | 23–0 | Terry Davis | TKO | 2 (10), 1:52 | Apr 19, 1991 | Convention Hall, Atlantic City, New Jersey, U.S. | |
| 22 | Win | 22–0 | Danny Stonewalker | TKO | 8 (12), 0:11 | Dec 15, 1990 | Civic Arena, Pittsburgh, Pennsylvania, U.S. | Retained WBO light heavyweight title |
| 21 | Win | 21–0 | Jim MacDonald | TKO | 3 (10), 0:55 | Aug 21, 1990 | The Palace, Auburn Hills, Michigan, U.S. | |
| 20 | Win | 20–0 | Mario Oscar Melo | KO | 1 (12), 1:52 | Apr 28, 1990 | Etess Arena, Atlantic City, New Jersey, U.S. | Retained WBO light heavyweight title |
| 19 | Win | 19–0 | Marcellus Allen | RTD | 9 (12), 3:00 | Feb 3, 1990 | Convention Hall, Atlantic City, New Jersey, U.S. | Retained WBO light heavyweight title |
| 18 | Win | 18–0 | Mike Sedillo | TKO | 6 (12), 2:07 | Dec 12, 1989 | The Palace, Auburn Hills, Michigan, U.S. | Retained WBO light heavyweight title |
| 17 | Win | 17–0 | Jeff Thompson | KO | 1 (12), 1:46 | Nov 16, 1989 | Steel Pier, Atlantic City, New Jersey, U.S. | Retained WBO light heavyweight title |
| 16 | Win | 16–0 | Leslie Stewart | TKO | 8 (12), 2:05 | Jun 25, 1989 | Convention Hall, Atlantic City, New Jersey, U.S. | Retained WBO light heavyweight title |
| 15 | Win | 15–0 | Freddie Delgado | TKO | 1 (12), 2:39 | Apr 22, 1989 | The Palace, Auburn Hills, Michigan, U.S. | Retained WBO light heavyweight title |
| 14 | Win | 14–0 | Frankie Swindell | TKO | 6 (12), 2:50 | Feb 19, 1989 | High School Gym, Monessen, Pennsylvania, U.S. | Retained WBO light heavyweight title |
| 13 | Win | 13–0 | Victor Claudio | TKO | 2 (12) | Jan 14, 1989 | The Palace, Auburn Hills, Michigan, U.S. | Retained WBO light heavyweight title |
| 12 | Win | 12–0 | Ramzi Hassan | TKO | 5 (12), 2:37 | Dec 3, 1988 | Brook Park, Ohio, U.S. | Won inaugural WBO light heavyweight title |
| 11 | Win | 11–0 | Glenn Kennedy | KO | 1, 0:36 | Nov 4, 1988 | Las Vegas Hilton, Winchester, Nevada, U.S. | |
| 10 | Win | 10–0 | Carl Williams | TKO | 1, 1:15 | Oct 17, 1988 | Tucson, Arizona, U.S. | |
| 9 | Win | 9–0 | Jorge Suero | TKO | 2 | Oct 7, 1988 | The Palace, Auburn Hills, Michigan, U.S. | |