Leon Spinks was an American professional boxer who competed from 1977 to 1995. In only his eighth professional fight, he won the undisputed heavyweight championship in 1978 after defeating Muhammad Ali in a split decision, in what is considered one of the biggest upsets in boxing history. Spinks was later stripped of the WBC title for facing Ali in an unapproved rematch seven months later, which he lost by a unanimous decision.
Cruiserweight, also referred to as junior heavyweight, is a weight class in professional boxing between light heavyweight and heavyweight. Before the advent of the current cruiserweight class, "light heavyweight" and "cruiserweight" were sometimes used interchangeably in the United Kingdom.
Jean-Marc Gilbert Mormeck is a French former professional boxer who competed from 1995 to 2014. He is a two-time unified world cruiserweight champion, having held the WBA, WBC and The Ring world titles twice between 2005 and 2007. He was the first boxer to hold unified cruiserweight title since Evander Holyfield in 1988, and the first fighter to hold The Ring cruiserweight title since Carlos De León in 1987. He was ranked by BoxRec as the world's top 10 cruiserweight from 2001 to 2005 and in 2007, and was ranked No.1 in 2003 and 2004. Mormeck also challenged for the unified world heavyweight title in 2012.
Chadwell St Mary is an area of the unitary authority of Thurrock in Essex, England. It is one of the traditional parishes in Thurrock and a former civil parish. Grays is 2 miles (3.2 km) to the west and 1 mile (1.6 km) to the south is Tilbury. The area is sometimes referred to simply as Chadwell, particularly before the 19th century.
Zsolt Erdei is a Hungarian former professional boxer who competed from 2000 to 2014. He held world championships in two weight classes, including the WBO and lineal light-heavyweight titles from 2004 to 2009, and the WBC cruiserweight title from 2009 to 2010. Erdei is the first boxer from Hungary to win world titles in two weight divisions. As an amateur, he won a bronze medal in the middleweight division at the 2000 Olympics. He also competed at the 1996 Summer Olympics.
Johnathon Banks is an American former professional boxer who competed from 2004 to 2014. He held the IBO cruiserweight title from 2008 to 2009 and challenged once for the IBF cruiserweight title in 2009. He currently works as a boxing trainer, most notably for former heavyweight champion Wladimir Klitschko, and was himself trained by the late Emanuel Steward. He is currently coaching Gennady Golovkin as well as Badou Jack.
Brian Matthew Minto is an American former professional boxer who competed from 2002 to 2016. He challenged once for the WBO cruiserweight title in 2010.
Roman Greenberg is an Israeli former heavyweight boxer based in the United Kingdom, with Moldovan origins, former International Boxing Organization's (IBO's) Intercontinental heavyweight champion, with a 27–1 record. Greenberg has been nicknamed the "Lion from Zion."
David "Bomber" Pearce was a Welsh heavyweight boxing champion.
Darren Corbett, nicknamed Raging Bull, is a Northern Irish professional boxer. Corbett's weight fluctuated significantly throughout his career and although he had some fights at both heavyweight and light-heavyweight, the bulk of his contests and his success came at cruiserweight.
George Arias is a Brazilian former professional boxer. He challenged once for the WBO cruiserweight title in 2001.
Lee Swaby is a British former professional boxer who competed from 1997 to 2010. At regional level, he challenged twice for the British cruiserweight title in 2004 and 2006, and once for the Commonwealth cruiserweight title in 2004. He holds a notable win over future world cruiserweight champion Enzo Maccarinelli.
Gary Davies is a British former professional boxer who competed from 2002 to 2012. He held the British bantamweight title in 2009.
Jon-Lewis Dickinson is from Edmondsley in County Durham and is a British former professional boxer who competed from 2008 to 2016.He held the British cruiserweight title from 2012 to 2014 and challenged once for the Commonwealth cruiserweight title in 2014.
Franco "Thunderbird" Wanyama in Kampala, was a Ugandan amateur middleweight and professional cruiser/heavyweight boxer of the 1980s, '90s and 2000s. He was an amateur representative of Uganda at middleweight in the Boxing at the 1988 Summer Olympics in Seoul, South Korea, losing to eventual bronze medal winner Chris Sande of Kenya, and as a professional won the BeNeLux heavyweight title, BeNeLux cruiserweight title, Commonwealth cruiserweight title, and World Boxing Federation (WBF) cruiserweight title, and was a challenger for the Commonwealth cruiserweight title against Chris Okoh, his professional fighting weight varied from 181 lb, i.e. cruiserweight to 192 lb, i.e. heavyweight. Wanyama defeated notable fighters such as Jimmy Thunder, Carl Thompson and Johnny Nelson and was sparring partner to Vitali Klitschko & Wladimir Klitschko. He lived his last years in Rugby, Warwickshire, England and had 3 children, Shannon Wanyama, Nellie Wanyama and Wanga Wanyama.
Viddal Ethan Danso Riley is an English professional boxer, rapper and internet personality. He is the current English cruiserweight champion.
Chris Billam-Smith is an English professional boxer who has held the World Boxing Organization (WBO) cruiserweight title since 2023. At regional level, he held the European, British, and Commonwealth cruiserweight titles between 2019 and 2022.
Richard Riakporhe is a professional boxer who held the British cruiserweight title from 2019 to 2020.
Deion Jumah is a former English professional boxer.
Tony Booth is a British former professional boxer who competed from 1990 to 2008. At regional level, he challenged once for the Commonwealth cruiserweight title in 1994, and once for the British and Commonwealth light-heavyweight titles in 1998. During his career, Booth held the record for the most wins of any active British professional boxer.
Kenny Gayle
Tosca Petridis 
Franco Wanyama 