Pernell Whitaker Sr. was an American professional boxer who competed from 1984 to 2001, and subsequently worked as a boxing trainer. He was a four-weight world champion, having won titles at lightweight, light welterweight, welterweight, and light middleweight; the undisputed lightweight title; and the lineal lightweight and welterweight titles. In 1989, Whitaker was named Fighter of the Year by The Ring magazine and the Boxing Writers Association of America. He currently holds the longest unified lightweight championship reign in boxing history at six title defenses. Whitaker is generally regarded as one of the greatest defensive boxers of all-time.
Cory Spinks is an American former professional boxer who competed from 1997 to 2013. He held multiple world championships in two weight classes, including the undisputed welterweight title from 2003 to 2005, and the IBF junior middleweight title twice between 2006 and 2010. Additionally, he challenged once for the lineal middleweight title in 2007.
Lester Ellis is a British-born Australian former professional boxer. He is a five-time world champion, having also held the Australian and Commonwealth (twice) titles.
Roberto Garcia Cortez is a Mexican-American former professional boxer who competed from 1992 to 2001, and held the IBF junior lightweight title from 1998 to 1999. He has since worked as a boxing trainer, and was voted Trainer of the Year by The Ring magazine in 2011, and by the Boxing Writers Association of America in 2012. He is the older brother of professional boxer Mikey Garcia, who was a world champion in four weight classes.
Ricky Anderson is a Canadian-born former professional boxer. Anderson was due to represent Canada at the 1980 Summer Olympics in Moscow, but the Canadian teams boycotted the event. He continued to become a top amateur boxer, and later the Canadian Welterweight boxing champion as a pro.
Artur Asilbekovich Beterbiev is a Russian and Canadian professional boxer. He is a unified champion in the light-heavyweight division, having held the International Boxing Federation (IBF) title since 2017, the World Boxing Council (WBC) title since 2019, and the World Boxing Organization (WBO) title since 2022. As an amateur, Beterbiev won a silver medal at the 2007 World Championships, gold at the 2008 World Cup and 2009 World Championships, as well as gold at the 2006 and 2010 European Championships, all in the light-heavyweight division. He also reached the quarter-finals of the heavyweight bracket at the 2012 Olympics.
Óscar Andres Rivas Torres is a Colombian professional boxer. He held the WBC bridgerweight title from 2021 to 2023. He also challenged for the vacant WBC interim heavyweight title in 2019, and previously held the IBF International, WBC-NABF and WBO-NABO heavyweight titles. As an amateur, he won a silver medal at the 2007 Pan American Games.
Devon Alexander is an American professional boxer. He is a former world champion in two weight classes, having held the unified WBC and IBF light welterweight titles in 2010, and the IBF welterweight title from 2012 to 2013. Alexander was prescribed Tramadol after surgery in 2012, and thereafter had to battle opiate addiction, coming clean in 2018.
Virgil "The Conqueror" Kalakoda is a South African welterweight boxer and kickboxer, fighting out of Full Body Impact Gym in Sydney, Australia. He is former light-middleweight boxing champion and competed in K-1 MAX.
Ezekiel "Kell" Brook is a British former professional boxer who competed from 2004 to 2022. He held the International Boxing Federation (IBF) welterweight title from 2014 to 2017, and challenged once for a unified middleweight world title in 2016. At regional level, he held multiple welterweight titles, including the British welterweight title from 2008 to 2010. In May 2017, Brook was ranked as the world's best active welterweight by The Ring magazine.
Yvon Michel is a French Canadian boxing promoter. His company called GYM is based in Montréal. The 2012 shows in Quebec were called "Fast and Furious". Yvon has promoted several world title champions, most current being: Oscar Rivas, Kim Clavel and Eleider Alvarez. In October 2021, GYM alongside Three Lions Promotions, co-promoted the first WBC Bridgerweight World title in Montreal where Oscar Rivas became the first WBC inaugural champion of the newly created division.
In boxing, a weight class is a measurement weight range for boxers. The lower limit of a weight class is equal to the upper weight limit of the class below it. The top class, with no upper limit, is called heavyweight in professional boxing and super heavyweight in amateur boxing. A boxing match is usually scheduled for a fixed weight class, and each boxer's weight must not exceed the upper limit. Although professional boxers may fight above their weight class, an amateur boxer's weight must not fall below the lower limit. A nonstandard weight limit is called a catchweight.
Mary Spencer is a Canadian professional boxer who as an amateur won three World Championships and a Pan American Games gold medal.
Custio Clayton is a Canadian professional boxer who has held the WBA-NABA welterweight title since 2019. As an amateur he is a six-time Canadian national champion and represented Canada at the 2012 Olympics, where he reached the quarter-finals.
Jean Pascal vs. Lucian Bute was a boxing light heavyweight Diamond championship fight for the vacant WBC Diamond title which took place on January 18, 2014 at the Bell Centre in Montreal, Quebec, Canada. The bout, originally slated for May 25, 2013, had to be postponed after Bute underwent surgery to remove bone chips in his left hand.
Jo Jo Dan is a Romanian professional boxer and world title challenger. He currently fights out of Montreal, Quebec, Canada.
John Conway is a retired professional boxer and kickboxer. Conway biggest boxing bout of his career was challenging for the WBO Asia Pacific light heavyweight title against Soulan Pownceby in June 2011. Conway has peaked at 11th on the WBO Asia Pacific Rankings. Conway started his boxing career in the amateur in 1986. If you combine his amateur, professional boxing and kickboxing fight, Conway has had 182 fights.
Marie-Ève Dicaire is a Canadian former professional boxer who is a two-time IBF female super-welterweight World champion having held the title from December 2018 to March 2021 and from December 2021 to November 2022.
Jaron Ennis is an American professional boxer who has held the International Boxing Federation (IBF) welterweight title since 2023. As an amateur, he won a silver and gold medal at the U.S. National Golden Gloves Championships in 2014 and 2015 respectively.
Michel Rivera Medina, commonly known as "La Zarza Ali", is a Dominican professional boxer who has held the IBF–USBA lightweight title since 2020.
Kell Brook 
Fredrick Lawson
Miccosukee Indian Gaming Resort, Miami, Florida, U.S.
Fouad El Massoudi
Colisée Pepsi, Quebec City, Quebec, Canada
Jo Jo Dan 
Laszlo Fazekas
Carlos Leonardo Herrera 
Giuseppe Lauri 
Patryk Litkiewicz
Christian Bladt
Mauro Lucero
Wilfredo Negron