All boxersJohn Ruiz
“The Quietman”
Boxing · Retired44-9-1 (1 NC)RECORD
30WINS BY KO / TKO
14WINS BY DECISION
55PRO FIGHTS
Profile
| Full name | John Ruiz |
|---|---|
| Nickname | The Quietman |
| Date of birth | 4 Jan 1972 |
| Nationality | American |
| Birthplace | Chelsea, Massachusetts, USA |
| Based in | Not added yet |
| Weight classes | Heavyweight |
| Trainers | Not added yet |
| Height | 188 cm (6′2″) |
| Reach | 203 cm (80″) |
| Stance | Orthodox |
| Years active | 1992–2010 |
| Status | Retired |
| Pro debut | 20 Aug 1992 |
| Last fight | Loss vs David Haye, 3 Apr 2010 |
Details on this page were compiled from public information on 10 Oct 2026 (the record is as of that date). Is this you? Claim this profile to correct anything and add your photo and bio. Claim this profile
Titles and honours
- WBA heavyweight champion (2001–2003, 2004–2005), first Latino world heavyweight champion
Fight history
55 professional fights. Newest first.
| Result | Opponent | Method | Round | Time | Date | Location | Notes |
|---|---|---|---|---|---|---|---|
| Loss | David Haye | TKO | 9 | 2:01 | 3 Apr 2010 | Manchester, England | For WBA heavyweight title |
| Win | Adnan Serin | TKO | 7 | 7 Nov 2009 | Nuremberg, Germany | ||
| Loss | Nikolai Valuev | Decision (unanimous) | 12 | 30 Aug 2008 | Berlin, Germany | For vacant WBA heavyweight title | |
| Win | Jameel McCline | Decision (unanimous) | 12 | 8 Mar 2008 | Cancún, Mexico | ||
| Win | Otis Tisdale | TKO | 2 | 0:45 | 13 Oct 2007 | Hoffman Estates, Illinois, USA | |
| Loss | Ruslan Chagaev | Decision (split) | 12 | 18 Nov 2006 | Düsseldorf, Germany | ||
| Loss | Nikolai Valuev | Decision (majority) | 12 | 17 Dec 2005 | Berlin, Germany | Lost WBA heavyweight title | |
| No contest | James Toney | No contest | 12 | 30 Apr 2005 | New York City, New York, USA | Originally a UD loss; changed to NC after Toney failed a drug test | |
| Win | Andrew Golota | Decision (unanimous) | 12 | 13 Nov 2004 | New York City, New York, USA | Retained WBA heavyweight title | |
| Win | Fres Oquendo | TKO | 11 | 2:33 | 17 Apr 2004 | New York City, New York, USA | Retained WBA heavyweight title |
| Win | Hasim Rahman | Decision (unanimous) | 12 | 13 Dec 2003 | Atlantic City, New Jersey, USA | Won WBA interim heavyweight title | |
| Loss | Roy Jones Jr. | Decision (unanimous) | 12 | 1 Mar 2003 | Paradise, Nevada, USA | Lost WBA heavyweight title | |
| Win | Kirk Johnson | Disqualification | 10 | 2:17 | 27 Jul 2002 | Paradise, Nevada, USA | Retained WBA heavyweight title |
| Draw | Evander Holyfield | Decision (split) | 12 | 15 Dec 2001 | Ledyard, Connecticut, USA | Retained WBA heavyweight title | |
| Win | Evander Holyfield | Decision (unanimous) | 12 | 3 Mar 2001 | Paradise, Nevada, USA | Won WBA heavyweight title | |
| Loss | Evander Holyfield | Decision (unanimous) | 12 | 12 Aug 2000 | Paradise, Nevada, USA | For vacant WBA heavyweight title | |
| Win | Thomas Williams | TKO | 2 | 0:50 | 11 Dec 1999 | Tunica, Mississippi, USA | |
| Win | Fernely Feliz | TKO | 7 | 3:00 | 12 Jun 1999 | Wilmington, Massachusetts, USA | |
| Win | Mario Cawley | TKO | 4 | 1:09 | 13 Mar 1999 | New York City, New York, USA | |
| Win | Jerry Ballard | TKO | 4 | 2:17 | 19 Sep 1998 | Atlanta, Georgia, USA | |
| Win | Tony Tucker | TKO | 11 | 0:58 | 31 Jan 1998 | Tampa, Florida, USA | |
| Win | Ray Anis | TKO | 1 | 0:22 | 17 Jun 1997 | Bay St. Louis, Mississippi, USA | |
| Win | Jimmy Thunder | Decision (split) | 12 | 14 Jan 1997 | Kansas City, Missouri, USA | ||
| Win | Yuriy Yelistratov | TKO | 3 | 26 Nov 1996 | London, England | ||
| Win | Nathaniel Fitch | TKO | 3 | 25 Oct 1996 | Boston, Massachusetts, USA | ||
| Win | Greg Pickrom | TKO | 1 | 18 Jul 1996 | Boston, Massachusetts, USA | ||
| Win | Doug Davis | TKO | 6 | 6 Jun 1996 | Boston, Massachusetts, USA | ||
| Loss | David Tua | KO | 1 | 0:19 | 15 Mar 1996 | Atlantic City, New Jersey, USA | |
| Win | Steve Pannell | TKO | 4 | 1:28 | 7 Oct 1995 | Atlantic City, New Jersey, USA | |
| Win | Willie Jackson | KO | 1 | 24 Aug 1995 | Somerville, Massachusetts, USA | ||
| Win | Derrick Roddy | KO | 2 | 2:56 | 16 Jun 1995 | London, England | |
| Win | Michael Murray | TKO | 4 | 17 May 1995 | Ipswich, England | ||
| Win | Jack Basting | TKO | 1 | 30 Mar 1995 | London, England | ||
| Win | Boris Powell | Decision (unanimous) | 10 | 4 Feb 1995 | North Las Vegas, Nevada, USA | ||
| Win | Rick Sullivan | KO | 2 | 1 Oct 1994 | Boston, Massachusetts, USA | ||
| Loss | Danell Nicholson | Decision (split) | 12 | 4 Aug 1994 | Ledyard, Connecticut, USA | ||
| Win | Muhammad Askai | TKO | 2 | 25 Jun 1994 | Revere, Massachusetts, USA | ||
| Win | Julius Francis | KO | 4 | 2:38 | 25 May 1994 | Bristol, England | |
| Win | Carl Williams | Decision (points) | 6 | 27 Nov 1993 | Cleveland, Ohio, USA | ||
| Win | Cordwell Hylton | Decision (points) | 6 | 3 Nov 1993 | Bristol, England | ||
| Loss | Sergei Kobozev | Decision (split) | 10 | 12 Aug 1993 | Bay St. Louis, Mississippi, USA | ||
| Win | Exum Speight | Decision (unanimous) | 8 | 25 Jun 1993 | Chelsea, Massachusetts, USA | ||
| Win | George Chambers | KO | 1 | 30 Apr 1993 | Chelsea, Massachusetts, USA | ||
| Win | Mark Sonnier | TKO | 1 | 16 Apr 1993 | Boston, Massachusetts, USA | ||
| Win | Juan Quintana | Decision (points) | 6 | 3 Apr 1993 | Somerville, Massachusetts, USA | ||
| Win | Lorenzo Poole | KO | 1 | 20 Mar 1993 | Revere, Massachusetts, USA | ||
| Win | Derrick Jones | TKO | 1 | 5 Mar 1993 | Boston, Massachusetts, USA | ||
| Win | Phil Prince | KO | 1 | 20 Feb 1993 | Boston, Massachusetts, USA | ||
| Win | Miguel Rosa | TKO | 2 | 30 Jan 1993 | Boston, Massachusetts, USA | ||
| Win | John Basil Jackson | Decision (points) | 6 | 16 Jan 1993 | Belmont, New Hampshire, USA | ||
| Win | Jesus Rohena | TKO | 1 | 1:46 | 10 Dec 1992 | Boston, Massachusetts, USA | |
| Win | John Basil Jackson | Decision (points) | 6 | 13 Nov 1992 | Revere, Massachusetts, USA | ||
| Win | Barry Kirton | TKO | 2 | 3 Nov 1992 | Ledyard, Connecticut, USA | ||
| Win | Mike Vasser | KO | 1 | 12 Sep 1992 | Revere, Massachusetts, USA | ||
| Win | Kevin Parker | Decision (unanimous) | 4 | 20 Aug 1992 | Atlantic City, New Jersey, USA |