Lennox Claudius Lewis is a boxing commentator and former professional boxer who competed from 1989 to 2003. He is a three-time world heavyweight champion, a two-time lineal champion, and the last heavyweight to hold the undisputed championship. Holding dual British and Canadian citizenship, Lewis represented Canada as an amateur at the 1984 and 1988 Olympics; in the latter, he won a gold medal in the super-heavyweight division.
Evander Holyfield is an American former professional boxer who competed between 1984 and 2011. He reigned as the undisputed champion at cruiserweight in the late 1980s and at heavyweight in the early 1990s, and is the only boxer in history to win the undisputed championship in two weight classes in the three belt era. Nicknamed "the Real Deal", Holyfield is the only four-time world heavyweight champion, having held the unified WBA, WBC, and IBF titles from 1990 to 1992, the WBA and IBF titles again from 1993 to 1994, the WBA title a third time from 1996 to 1999; the IBF title a third time from 1997 to 1999 and the WBA title for a fourth time from 2000 to 2001.
Wladimir Klitschko is a Ukrainian former professional boxer who competed from 1996 to 2017. He held the world heavyweight championship twice, including the unified WBA (Super), IBF, WBO, IBO, and Ring magazine titles. A strategic and intelligent boxer, Klitschko is considered to be one of the greatest heavyweight champions of all time. He was known for his exceptional knockout power, using a strong jab, straight right hand and left hook, quick hand speed, great physical strength which he employed when clinching opponents, and his athletic footwork and mobility, unusual for boxers of his size.
Heavyweight is a weight class in combat sports and professional wrestling.
Alexander Vladimirovich "Sasha" Povetkin is a Russian former professional boxer who competed from 2005 to 2021. He held the World Boxing Association (WBA) heavyweight title from 2011 to 2013; the World Boxing Council (WBC) heavyweight title from 2020 to 2021; and challenged twice for the unified heavyweight championship in 2013 and 2018.
David Deron Haye is a British former professional boxer who competed between 2002 and 2018. He held multiple world championships in two weight classes, and was the first British boxer to reach the final of the World Amateur Boxing Championships, where he won a silver medal in 2001.
Orlin Levance Norris is an American former professional boxer who competed from 1986 to 2005. He held the WBA cruiserweight title from 1993 to 1995. As an amateur, he won the National Golden Gloves title. He is the brother of retired former champion Terry Norris.
Kevin VladimirovichJohnson is a Russian-American professional boxer. He has challenged once for the WBC heavyweight title in 2009. He holds notable wins over former world champions Bruce Seldon and Yoan Pablo Hernández.
Vitali Klitschko and Wladimir Klitschko, known as the Klitschko Brothers, are Ukrainian former professional boxers. During their peak years between 2004 and 2015, they were considered the dominant world heavyweight champions of their era, and among the most successful champions in boxing history. In 2011, they entered the Guinness World Records book as brothers with most world heavyweight title fight wins. In the years following the retirement of heavyweight titlist Lennox Lewis in 2004, the Klitschko brothers would eventually accumulate all four major world heavyweight titles. Known for their exceptionally large physiques, speed, and punching power, they each developed a style that utilized their athleticism and arm reach to break down opponents.
Tyson Luke Fury is a British professional boxer. He has held the World Boxing Council (WBC) heavyweight title since 2020. Previously, he held the unified heavyweight titles from 2015 to 2016, and the Ring magazine title twice between 2015 and 2022. He also held the International Boxing Organization (IBO) title during his first reign as champion. At regional level, he has held multiple heavyweight championships, including the British title twice between 2011 and 2015; the European title from 2014 to 2015; and the Commonwealth title from 2011 to 2012.
Francesco Pianeta is an Italian former professional boxer who competed from 2005 to 2018. He challenged for the unified WBA (Super), IBF, WBO and The Ring heavyweight championship in 2013, the WBA (Regular) title in 2015, and in his final fight for the Lineal heavyweight championship in 2018. At regional level, he held the European Union heavyweight title from 2008 to 2009.
Derek Chisora is a Zimbabwean-British professional boxer. He has challenged twice for the WBC heavyweight title in 2012 and 2022. At regional level, he has held multiple heavyweight championships, including the British and Commonwealth titles from 2010 to 2011, and the European title from 2013 to 2014. As an amateur, he won the ABA super-heavyweight title in 2006.
Anthony Oluwafemi Olaseni Joshua is a British professional boxer. He is a two-time former unified world heavyweight champion, having held the World Boxing Association (WBA), International Boxing Federation (IBF), and World Boxing Organization (WBO) titles twice between 2016 and 2021. He also held the International Boxing Organization (IBO) title twice during that reign. At regional level, he held the British and Commonwealth heavyweight titles from 2015 to 2016.
Mahmoud Omeirat Charr, previously known as Manuel Charr, is a German professional boxer. He was awarded the World Boxing Association (WBA) heavyweight title in 2023. He held the same title from 2017 to 2021.
Nuri Seferi is an Albanian professional boxer who competes out of Burgdorf, Switzerland.
Trevor Cosmo Bryan Jr is an American professional boxer. He held the WBA (Regular) heavyweight title between 2021 and 2022.
Anthony Joshua vs Wladimir Klitschko, was a professional boxing match contested on 29 April 2017 at Wembley Stadium in London, England, with Joshua's IBF and the vacant WBA (Super) and IBO heavyweight titles on the line. Joshua won the match via technical knockout (TKO) in the eleventh round with 90,000 fans in attendance. Klitschko announced his retirement from boxing a few months after the fight. The bout was named Fight of the Year by The Ring and the Boxing Writers Association of America.
Kevin Lerena is a South African professional boxer. He has held the World Boxing Council (WBC) interim bridgerweight title since 2023. Previously, he held the IBO cruiserweight title from 2017 to 2021 and challenged for the WBA (Regular) heavyweight title in 2022. As of September 2021, he is ranked as the world's fifth best active cruiserweight by The Ring magazine, fourth by Transnational Boxing Rankings Board and eight by BoxRec.
Deontay Wilder vs. Tyson Fury was a professional boxing match contested on December 1, 2018, for the WBC Heavyweight Championship.
Kem Ljungquist
Roman Kracik
Sporthalle Schuetzenmatt, Burgdorf, Switzerland
Laszlo Ivanyi
Kevin Lerena 
Firat Arslan 
Tyson Fury 
Hallmann Dome, Vienna, Austria
Marcelo Ferreira dos Santos
Manuel Charr 
Radenko Kovac
Josip Jalusic
Boris Trajkovski Sports Arena, Skopje, Macedonia
Pallati i Rinise, Pristina, Kosovo 
Roman Klucar