Nonito Gonzales Donaire Jr. is a Filipino American professional boxer. He has held multiple world championships in four weight classes from flyweight to featherweight, and is the oldest boxer in history to win a bantamweight world title, as well as being the first three-time champion in that weight class. Donaire has also held world championships in three consecutive decades: the 2000s, 2010s and 2020s, being the sixth boxer to do so after Evander Holyfield, Manny Pacquiao, Bernard Hopkins, Erik Morales, and Floyd Mayweather Jr.
Holly Holm is an American mixed martial artist, who competes in the Ultimate Fighting Championship. She is a former UFC Women's Bantamweight Champion, and a former professional boxer. She was a multiple-time world champion in boxing, defending her titles 18 times in three weight classes, and a two-time Ring magazine fighter of the year. She is ranked by BoxRec as the 20th greatest female professional boxer of all time, pound for pound.
Donnie Liboon Nietes is a Filipino professional boxer. He is a world champion in four weight-classes, having previously held the WBO mini-flyweight title from 2007 to 2011; the WBO and The Ring magazine junior-flyweight titles between 2011 and 2016; IBF flyweight title from 2017 to 2018; and the WBO junior-bantamweight title from 2018 to 2019. He is the longest-reigning Filipino boxing world champion, surpassing in 2014 the record set in 1967 by Boxing Hall of Fame inductee Gabriel "Flash" Elorde. He was one of the first three Asian fighters with world titles in at least four weight classes alongside fellow Filipinos Manny Pacquiao and Nonito Donaire.
Eléider Álvarez Baytar is a Colombian professional boxer who held the WBO light-heavyweight title from 2018 to 2019. As an amateur he won a gold medal at the 2007 Pan American Games in the light-heavyweight division.
Michael Andrew Kyle is an American professional mixed martial artist and boxer currently competing in the Heavyweight division. A professional competitor since 2001, Kyle has competed for the UFC, the WEC, Strikeforce, the World Series of Fighting, Absolute Championship Berkut, Pancrase, and King of the Cage. He is the former WEC Heavyweight Champion and King of the Cage Light Heavyweight Champion.
Ryan DuWayne Bader is an American mixed martial artist currently signed to Bellator MMA where he is the current Bellator Heavyweight Champion in a continuous streak that is the longest of any Bellator Champion. He is also the former Bellator Light Heavyweight Champion, and the winner of the 2018 Bellator Heavyweight World Grand Prix Tournament. At Bellator 214, Bader became the first fighter in Bellator history to become champion in two weight divisions simultaneously. Prior to signing with Bellator, Bader competed for the Ultimate Fighting Championship (UFC) in the Light Heavyweight division and he was a cast member and winner of The Ultimate Fighter: Team Nogueira vs. Team Mir. As of December 8, he is #9 in the Bellator men's pound-for-pound rankings.
Nicholas Dominic Osipczak is an English professional mixed martial artist, most famous for his fights and wins in the welterweight division of the UFC. He was also a cast member of Spike TV's The Ultimate Fighter: United States vs. United Kingdom. Nick is also known for being one of the first people in history to represent the art of tai chi in Mixed Martial Arts competitions.
Ryan Ford is a Canadian professional boxer and mixed martial artist. A professional competitor since 2007, Ford has also formerly competed for Bellator, the WSOF, the MFC, TFC, and the AFC.
The Fight Club is a Canadian mixed martial arts (MMA) promotion based in Edmonton, Alberta. TFC currently fights at the Shaw Conference Centre.
John Dodson is an American mixed martial artist and bare-knuckle boxer who competes in the flyweight divisions of Rizin Fighting Federation and Bare Knuckle Fighting Championship, where in the latter promotion, he is the inaugural and current BKFC Flyweight Champion. A professional mixed martial arts competitor since 2004, Dodson has made a name for himself fighting mainly in the Southwest region. He was the winner of the Spike TV's The Ultimate Fighter: Team Bisping vs. Team Miller and competed in Ultimate Fighting Championship where he was a two-time title challenger, competing most recently in the bantamweight division, and is a veteran of the promotion with 9 years of competition.
Thammanoon Niyomtrong, known by his ring name Knockout CP Freshmart, is a Thai professional boxer and former Muay Thai fighter who has held the World Boxing Association (WBA) mini-flyweight title since 2016.
Chayaphon Moonsri, known as Wanheng Menayothin or Wanheng Kaiyanghadaogym is a Thai professional boxer who held the WBC mini-flyweight title from 2014 to 2020. As of January 2021, he is ranked as the world's third best active mini-flyweight by BoxRec, The Ring and the Transnational Boxing Rankings Board.
Curtis Millender is an American mixed martial artist who competes in the Middleweight division. A professional competitor since 2013, Millender has formerly competed in Ultimate Fighting Championship (UFC), Bellator MMA, Professional Fighters League (PFL), and Legacy Fighting Alliance (LFA).
Erik Skoglund is a Swedish professional boxer. He held the European Union light-heavyweight title between 2013 and 2014, successfully defending it three times before vacating it. In 2017, Skoglund participated in the World Boxing Super Series, losing to Callum Smith in the super-middleweight quarter-finals.
Israel Mobolaji Temitayo Odunayo Oluwafemi Owolabi Adesanya is a New Zealand professional mixed martial artist, kickboxer, and former boxer. As a mixed martial artist, he currently competes in the Middleweight division in the Ultimate Fighting Championship (UFC), where he is a former two-time UFC Middleweight Champion. In kickboxing, he is a former Glory Middleweight Championship title challenger. As of 23 January 2024, he is #2 in the UFC middleweight rankings, and as of 20 February 2024, he is #11 in the UFC men's pound-for-pound rankings.
Eryk Ryan Anders is an American professional mixed martial artist and former American football linebacker. He competes in the Middleweight division of the UFC. He played college football at the University of Alabama.
Hakeem Tyrone Dawodu is a Canadian mixed martial artist, currently signed to Ultimate Fighting Championship and fights in the Featherweight division. He previously competed for the World Series of Fighting.
Brandon Michael Davis is an American mixed martial artist who competed in the Bantamweight division of the Ultimate Fighting Championship (UFC).
Raymond Ford is an American professional boxer. As an amateur he won the 2018 U.S. National Golden Gloves Championships.
Luka Plantić is a Croatian professional boxer. As an amateur, he won the bronze medal at the 2022 European Amateur Boxing Championships in the light heavyweight (-81 kg) category.
Kristaps Bulmeistars
Siarhei Khamitski 
Maritim Hotel, Magdeburg, Germany
Hyatt Regency Hotel, Belgrade, Serbia
Ericles Torres Marin
Ryno Liebenberg
Ryan Ford 
Damian Ezequiel Bonelli
Kyle Redfearn
Adam Bashanov
Ondrej Schwarz