Heavyweight · United States
John Ruiz 44-10-1, 1 NC 30 KO · 1992–2015
Photo: WHITE HOUSE PHOTO BY ERIC DRAPER, Public domain via Wikimedia Commons
John Ruiz was a heavyweight boxer from United States, born Jan 4, 1972. Record 44-10-1, 1 NC with 30 knockouts over 1992–2015. World titles: WBA heavyweight (2004–2005), WBA heavyweight (2001–2003). John Ruiz last fought Robert Ledesma on Aug 8, 2015 and lost by TKO in round 3 of 4.
Also: Джон Руис · Джон Руіс · Джон Руїз +12 more Ջոն Ռուիս · جان رویز · جون رويز · ジョン・ルイス · 約翰·魯伊斯 · Ruiz · The Quiet Man · Джон Руиз · Руиз Джон · Руиз, Джон · Руис Джон · Руис, Джон
Born Jan 4, 1972
Country 🇺🇸 United States
Stance Orthodox
Height 188 cm
Reach 203 cm
Nickname The Quietman
Debut Aug 20, 1992
Career 1992–2015
Rounds boxed 332
KO share 68%
Born in Chelsea, Massachusetts, U.S.
Titles WBA heavyweight · 2001–2005
Boxerbook rating 2036 ± 182 · inactive since Aug 2015Why here › Confirmed bouts 18 of 56 · 8 official
Career record Record
44-10-1, 1 NC, 30 KOs · 1992–2015
Last result L
Robert Ledesma
TKO 3/4 · Event Center, San Antonio, 🇺🇸
The record 56 bouts, 1992–2015, newest first. Records under each bout are both boxers going in.
Bouts by source: English Wikipedia · 55, Wikipedia (ru) · 55, WBA Fights Master Scores · 4, Wikipedia (ja) · 4, Nevada State Athletic Commission — Results · 4, Texas Department of Licensing and Regulation — Combative Sports Results · 1
L
Robert Ledesma
TKO 3/4 · Event Center, San Antonio, 🇺🇸
Ruiz 44-9-1 · Ledesma —
L
For WBA heavyweight title TKO 8/12 · M.E.N. Arena, Manchester, Lancashire, 🇬🇧
Ruiz 44-8-1 · Haye 24-1-0
W
Adnan Serin
TKO 7/10 · Nuremberg Arena, Nuremberg, 🇩🇪
Ruiz 43-8-1 · Serin —
L
For vacant WBA heavyweight title UD 11/11 · Max-Schmeling-Halle, 🇩🇪
Ruiz 43-7-1 · Valuev 51-1-0
W
UD 12/12 · Plaza de Toros, Cancún, 🇲🇽
Ruiz 42-7-1 · McCline 38-10-3
W
Otis Tisdale
TKO 2/10 · Sears Centre Arena, Hoffman Estates, Illinois, 🇺🇸
Ruiz 41-7-1 · Tisdale —
L
SD 12/12 · Burg-Wächter Castello, Düsseldorf, 🇩🇪
Ruiz 41-6-1 · Chagaev 23-0-1
L
For WBA heavyweight title MD 12/12 · Max-Schmeling-Halle, Berlin, 🇩🇪
Ruiz 41-5-1 · Valuev 44-0-0
NC
WBA and IBA heavyweight titles at stake UD 12/12 · Madison Square Garden, New York City, 🇺🇸
Ruiz 41-5-1 · Toney 68-4-2
W
Retained WBA heavyweight title UD 12/12 · Madison Square Garden, New York City, 🇺🇸
Ruiz 40-5-1 · Golota 38-4-1
W
Retained WBA heavyweight title TKO 11/12 · Madison Square Garden, 🇺🇸
Ruiz 39-5-1 · Oquendo —
W
For WBA interim heavyweight title UD 12/12 · Boardwalk Hall, Atlantic City, 🇺🇸
Ruiz 38-5-1 · Rahman 35-4-1
L
Lost WBA heavyweight title UD 12/12 · THOMAS & MACK CENTER, LAS VEGAS, 🇺🇸
Ruiz 38-4-1 · Jones Jr. 47-1-0
W
Retained WBA heavyweight title DQ 10/12 · MANDALAY BAY RESORT, LAS VEGAS, 🇺🇸
Ruiz 37-4-1 · Johnson 32-0-1
D
For WBA heavyweight title SD 12/12 · Foxwoods Resort Casino, Ledyard, Connecticut, 🇺🇸
Ruiz 37-4-0 · Holyfield 37-5-1
W
Won WBA heavyweight title UD 12/12 · MANDALAY BAY RESORT & CASINO, LAS VEGAS, 🇺🇸
Ruiz 36-4-0 · Holyfield 37-4-1
L
For vacant WBA heavyweight title UD 12/12 · PARIS LAS VEGAS HOTEL & CASINO, Paradise, 🇺🇸
Ruiz 36-3-0 · Holyfield 36-4-1
W
Thomas Williams
Retained NABA heavyweight title TKO 2/12 · Grand Casino, Tunica, Mississippi, 🇺🇸
Ruiz 35-3-0 · Williams —
W
Fernely Feliz
Won vacant WBA–NABA heavyweight title TKO 7/12 · Aleppo Shrine Auditorium, Wilmington, Massachusetts, 🇺🇸
Ruiz 34-3-0 · Feliz —
W
Mario Cawley
Retained WBA–NABA heavyweight title TKO 4/12 · Madison Square Garden, New York City, New York, 🇺🇸
Ruiz 33-3-0 · Cawley —
Show all 56 bouts W
Jerry Ballard
Retained NABF heavyweight title TKO 4/12 · Georgia Dome, Atlanta, Georgia, 🇺🇸
Ruiz 32-3-0 · Ballard —
W
For NABF heavyweight title TKO 11/12 · Ice Palace, Tampa, Florida, 🇺🇸
Ruiz 31-3-0 · Tucker 56-6-1
W
Ray Anis
Retained NABF heavyweight title TKO 1/12 · Casino Magic, Bay St. Louis, 🇺🇸
Ruiz 30-3-0 · Anis —
W
Won vacant NABF heavyweight title SD 12/12 · Hale Arena, Kansas City, Missouri, 🇺🇸
Ruiz 29-3-0 · Thunder 31-6-0
W
Yuriy Yelistratov
TKO 3 · York Hall, London, 🇬🇧
Ruiz 28-3-0 · Yelistratov —
W
TKO 3/6 · The Roxy, Boston, 🇺🇸
Ruiz 27-3-0 · Fitch Sr. —
W
Greg Pickrom
TKO 1/10 · The Roxy, Boston, 🇺🇸
Ruiz 26-3-0 · Pickrom —
W
Doug Davis
TKO 6/10 · The Roxy, Boston, 🇺🇸
Ruiz 25-3-0 · Davis —
L
Lost WBC International heavyweight title KO 1/12 · Convention Hall, Atlantic City, 🇺🇸
Ruiz 25-2-0 · Tua 22-0-0
W
Steve Pannell
TKO 4/10 · Convention Hall, Atlantic City, 🇺🇸
Ruiz 24-2-0 · Pannell —
W
Willie Jackson
KO 1/10 · Somerville, Massachusetts, 🇺🇸
Ruiz 23-2-0 · Jackson —
W
Derrick Roddy
Won vacant WBC International heavyweight title KO 2/12 · Elephant and Castle Leisure Centre, London, 🇬🇧
Ruiz 22-2-0 · Roddy —
W
Michael Murray
TKO 4/10 · Ipswich, Ipswich, 🇬🇧
Ruiz 21-2-0 · Murray —
W
Jack Basting
TKO 1/8 · York Hall, London, 🇬🇧
Ruiz 20-2-0 · Basting —
W
UD 10/10 · Silver Nugget, North Las Vegas, Nevada, 🇺🇸
Ruiz 19-2-0 · Powell —
W
Rick Sullivan
KO 2 · The Roxy, Boston, 🇺🇸
Ruiz 18-2-0 · Sullivan —
L
For vacant IBO heavyweight title SD 12/12 · Foxwoods Resort Casino, Ledyard, 🇺🇸
Ruiz 18-1-0 · Nicholson —
W
Muhammad Askai
TKO 2 · Revere, Massachusetts, 🇺🇸
Ruiz 17-1-0 · Askai —
W
KO 4/8 · Colston Hall, Bristol, 🇬🇧
Ruiz 16-1-0 · Francis 6-0-0
W
PTS 6/6 · Masonic Auditorium, Cleveland, Ohio, 🇺🇸
Ruiz 15-1-0 · Williams 26-9-0
W
Cordwell Hylton
PTS 6/6 · Whitchurch Leisure Centre, Bristol, 🇬🇧
Ruiz 14-1-0 · Hylton —
L
SD 10/10 · Casino Magic, Bay St. Louis, Mississippi, 🇺🇸
Ruiz 14-0-0 · Kobozev —
W
Exum Speight
UD 8/8 · Athletic Club, Chelsea, 🇺🇸
Ruiz 13-0-0 · Speight —
W
George Chambers
KO 1 · Chelsea A.C., Chelsea, Massachusetts, 🇺🇸
Ruiz 12-0-0 · Chambers —
W
Mark Sonnier
TKO 1 · Cyclorama Building, Boston, 🇺🇸
Ruiz 11-0-0 · Sonnier —
W
Juan Quintana
PTS 6/6 · Somerville, Somerville, Massachusetts, 🇺🇸
Ruiz 10-0-0 · Quintana —
W
Lorenzo Poole
KO 1 · Revere, Massachusetts, 🇺🇸
Ruiz 9-0-0 · Poole —
W
Derrick Jones
TKO 1 · Boston, Massachusetts, 🇺🇸
Ruiz 8-0-0 · Jones —
W
Phil Prince
KO 1 · Boston, Massachusetts, 🇺🇸
Ruiz 7-0-0 · Prince —
W
Miguel Rosa
TKO 2 · Commonwealth Armory, Boston, 🇺🇸
Ruiz 6-0-0 · Rosa —
W
John Basil Jackson
PTS 6/6 · Belmont, Belmont, New Hampshire, 🇺🇸
Ruiz 5-0-0 · Jackson —
W
Jesus Rohena
TKO 1 · Teachers Union Hall, Boston, Massachusetts, 🇺🇸
Ruiz 4-0-0 · Rohena —
W
John Basil Jackson
PTS 6/6 · Revir, Revere, Massachusetts, 🇺🇸
Ruiz 3-0-0 · Jackson —
W
Barry Kirton
TKO 2/4 · Foxwoods Resort Casino, Ledyard, Connecticut, 🇺🇸
Ruiz 2-0-0 · Kirton —
W
Mike Vasser
KO 1 · Wonderland Greyhound Park, Revere, Massachusetts, 🇺🇸
Ruiz 1-0-0 · Vasser —
W
Kevin Parker
UD 4/4 · Etess Arena, Atlantic City, New Jersey, 🇺🇸
Ruiz 0-0-0 · Parker —
Ratings now Not in any current ranking.
World titles
Facts
What is John Ruiz's record? John Ruiz's professional record is 44-10-1, 1 NC with 30 knockouts.
Who did John Ruiz fight last? John Ruiz last fought Robert Ledesma on Aug 8, 2015 and lost by TKO in round 3 of 4.
Which world titles has John Ruiz held? John Ruiz has held 2 world title reigns: WBA heavyweight (2004–2005), WBA heavyweight (2001–2003). Sources Boxerbook ID 17918 · permanent link boxerbook.com/id/17918 . Wikidata (CC0), English Wikipedia (CC BY-SA), photo from Wikimedia Commons. Last fetched: 2026-10-12. Spot a mistake? Every bout page has a link to report it.
