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.
Muhammad Ali was an American professional boxer and activist. Nicknamed "The Greatest", he is regarded as one of the most significant sports figures of the 20th century and is often regarded as the greatest heavyweight boxer of all time. In 1999, he was named Sportsman of the Century by Sports Illustrated and the Sports Personality of the Century by the BBC.
Robert Wayne Foster was an American professional boxer who fought as a light heavyweight and heavyweight. Known as "The Deputy Sheriff", Foster was one of the greatest light heavyweight champions in boxing history. He won the world light heavyweight title from Dick Tiger in 1968 via fourth-round knockout, and went on to defend his crown fourteen times against thirteen different fighters in total from 1968 to 1974. Foster challenged Joe Frazier and Muhammad Ali during his career, but was knocked out by both. He was named to Ring Magazine's list of 100 Greatest Punchers of all time. He was also named to Ring Magazine's list of the 80 Best Fighters of the Last 80 Years, ranking at #55. He was inducted into the International Boxing Hall of Fame in the inaugural class of 1990.
Robert James Fitzsimmons was a British professional boxer who was the sport's first three-division world champion. He also achieved fame for beating Gentleman Jim Corbett, and he is in The Guinness Book of World Records as the lightest heavyweight champion, weighing just 165 pounds when he won the title. Nicknamed Ruby Robert and The Freckled Wonder, he took pride in his lack of scars and appeared in the ring wearing heavy woollen underwear to conceal the disparity between his trunk and leg-development.
George Louis Chuvalo, CM is a Canadian former professional boxer who was a five-time Canadian heavyweight champion and two-time world heavyweight title challenger. He is known for having never been knocked down in his 93 bout professional career including fights against Muhammad Ali, Joe Frazier, and George Foreman. Chuvalo unsuccessfully challenged Muhammad Ali for the heavyweight championship in 1966. Chuvalo was inducted into the Ontario Sports Hall of Fame in 1995.
Erik Isaac Morales Elvira is a Mexican former professional boxer who competed from 1993 to 2012. He is the first Mexico-born boxer in history to win world championships in four weight classes, ranging from super bantamweight to light welterweight.
Floyd Joy Mayweather Jr. is an American boxing promoter and former professional boxer who competed between 1996 and 2017. He retired with an undefeated record and won 15 major world championships from super featherweight to light middleweight. This includes the Ring magazine title in five weight classes and the lineal championship in four weight classes. As an amateur, he won a bronze medal in the featherweight division at the 1996 Olympics, three U.S. Golden Gloves championships, and the U.S. national championship at featherweight.
Nathan A. Perrott is a Canadian professional boxer and former professional ice hockey player. He played in the National Hockey League with the Nashville Predators, Toronto Maple Leafs, and Dallas Stars between 2001 and 2006. He currently works as a fire fighter at Bruce Power in Tiverton, Ontario.
Donovan "Razor" Ruddock is a Jamaican-born Canadian former professional boxer who competed from 1982 to 2001 and in 2015. He is known for his two fights against Mike Tyson in 1991, a fight against Lennox Lewis in 1992, and a fight with Tommy Morrison in 1995. Ruddock was also known for his exceptionally heavy punching; some of the best examples of his left hand and overall power was his knockouts of former WBA heavyweight champions James Smith in 1989, Michael Dokes in 1990, and Greg Page in 1992. His favoured weapon at the ring proved to be a highly versatile half-hook, half-uppercut left-handed punch he called "The Smash" which accounted for the majority of his knockout wins -- it also happened to be his major downside throughout his career. Being a left-handed puncher fighting out of the orthodox stance, he didn't throw a single right hand during most knockout flurries.
Shawn O'Sullivan is a retired Canadian boxer who won gold at the World Amateur Championships in 1981 and the light middleweight silver medal at the 1984 Summer Olympics. He was inducted into Boxing Canada’s Hall of Fame, Class of 2019.
Tim Ryan is a Canadian-born American retired sportscaster. He was born in Winnipeg and raised in Toronto and attended De La Salle College (Toronto). His father, Joe, was general manager of three Canadian Football League teams in Winnipeg, Montreal and Edmonton and is an honoured member of both the Canadian Football Hall of Fame and Canada's Sports Hall of Fame.
George Godfrey, nicknamed Old Chocolate by the press of the day in the last stage of his long career, was a Black Canadian heavyweight boxer who held the distinction of being World 'Colored' Heavyweight Champion during his career. Godfrey was inducted into the PEI Sports Hall of Fame in 1990.
Sammy Luftspring was a Jewish Canadian boxer. A former Canadian Welterweight Champion and highly ranked in the Welterweight class during his career, Luftspring was forced to retire from the sport due to an eye injury. He was inducted into Canada's Sports Hall of Fame in 1985, and the Ontario Sports Hall of Fame in 1996.
Richard Eklund Jr. is an American former professional boxer who competed from 1975 to 1985. Known as "The Pride of Lowell", he held the USA New England welterweight title twice between 1979 and 1983. He is the half-brother and former trainer of former WBU champion Micky Ward. The 2010 biopic The Fighter is based on the two brothers' fall and rise to the boxing title.
Aaron Pryor was an American professional boxer who competed from 1976 to 1990. He was a two-time light welterweight world champion, having held the WBA title from 1980 to 1983, and the IBF title from 1984 to 1985. Additionally, he held the Ring magazine title from 1980 to 1983, and the lineal title from 1983 to 1986.
James Frederick DeGale is a British former professional boxer who competed from 2009 to 2019. He held the IBF super-middleweight title twice between 2015 and 2018, and regionally the European and British super-middleweight titles between 2010 and 2012.
Stevenson Adonis, best known as Adonis Stevenson, is a Haitian Canadian former professional boxer who competed from 2006 to 2018. He won the WBC, Ring magazine and lineal light-heavyweight titles in 2013 by defeating Chad Dawson by first-round knockout, which earned him awards for Fighter of the Year and Knockout of the Year by The Ring.
Bob Sheridan is an American boxing and MMA commentator. He has broadcast over 10,000 fights on radio and television.
Lawrence Samuel "Larry" Gains was a Black Canadian heavyweight boxer who was champion of Canada and the British Empire. One of the top heavyweights of his era, he was denied the opportunity to become World Champion due to the bar on black boxers competing for the title.
Eduardo Manuel de Melo, nicknamed "Eddie the Hurricane", was a Portuguese-born Canadian boxer and gangster.
Harry Terrell
C.N.E Coliseum, Toronto 
Koroseta Kid