Juan Manuel Márquez Méndez is a Mexican former professional boxer who competed from 1993 to 2014. He is the third Mexican boxer to become a world champion in four weight classes, having held nine world major titles from featherweight to light welterweight, including the lineal championship at lightweight.
Kevin Mitchell is a British former professional boxer who competed from 2003 to 2015. He challenged twice for lightweight world championships; the WBO title in 2012; and the WBC title in 2015. At regional level, he held the Commonwealth super featherweight title from 2006 to 2008 and the British super featherweight title in 2008.
Paul McCloskey is a former professional boxer from Northern Ireland who competed from 2005 to 2013. He held the British super-lightweight title from 2008 to 2009; the European super-lightweight title from 2009 to 2011; and challenged once for the WBA super-lightweight title in 2011. As an amateur, McCloskey won a silver medal in the welterweight division at the 2003 European Union Championships, and was an Irish Senior amateur champion.
Michael Alan Katsidis is an Australian former professional boxer who competed from 2001 to 2017. He held the WBO interim lightweight title twice between 2007 and 2010, and challenged twice for the lineal lightweight title in 2008 and 2010. At the peak of his career in the late 2000s, Katsidis' crowd-pleasing and aggressive pressure fighting style often drew comparisons with the late Arturo Gatti.
Joseph William Calzaghe is a Welsh former professional boxer who competed from 1993 to 2008. He held multiple world championships in two weight classes, including unified and lineal titles at super-middleweight, and the Ring magazine light-heavyweight title.
Derry Mathews is a British former professional boxer who competed from 2003 to 2017. He held the WBA interim lightweight title in 2015 and has challenged, twice, for lightweight world championships, the WBO title in 2016, and the vacant IBO title in 2012. At regional level, he held the British lightweight title twice between 2012 and 2014, the Commonwealth lightweight title in 2013, and challenged, twice, for the EBU European lightweight title between 2011 and 2012.
Graham Earl is a British former professional boxer who competed between 1997 and 2014. He held the British lightweight title twice between 2003 and 2006, the Commonwealth lightweight title from 2005 to 2006, and challenged once for the WBO interim lightweight title in 2007.
Ricky Burns is a Scottish professional boxer. He is one of only three British boxers to have won world titles in three weight divisions and the first from Scotland, having held the WBO super-featherweight title from 2010 to 2011; the WBO lightweight title from 2012 to 2014; and the WBA light-welterweight title from 2016 to 2017. At regional level he held the Commonwealth super-featherweight title from 2008 to 2009, and has challenged for the British and European super-featherweight titles.
Lee Haskins is a British former professional boxer who competed between 2003 and February 2020. He held the IBF bantamweight title from 2015 to 2017, and the IBF interim title in 2015. At regional level, he held the Commonwealth flyweight title in 2006; the British super-flyweight title from 2008 to 2009; the Commonwealth super-flyweight title in 2009; the British bantamweight title in 2013; and the European bantamweight title twice between 2012 and 2015.
Nathan Cleverly is a retired Welsh former professional boxing world champion who competed from 2005 to 2017. He is a two-time light-heavyweight world champion, having held the WBO title from 2011 to 2013, and the WBA (Regular) title from 2016 to 2017. Additionally he held multiple regional light-heavyweight championships, including the European, British, and Commonwealth titles between 2008 and 2010.
Luke Campbell is a British former professional boxer who competed from 2013 to 2021. He challenged twice for lightweight world titles; the WBA and The Ring titles in 2017; and the WBA, WBO, The Ring and vacant WBC titles in 2019. At regional level he held the WBC Silver and Commonwealth lightweight titles from 2016 to 2017. As an amateur, Campbell won gold at the 2008 European Championships, silver at the 2011 World Championships, and gold at the 2012 Olympics, all in the bantamweight division.
Mark Hobson is a British former professional boxer who competed from 1997 to 2007. He challenged once for the WBO cruiserweight title in 2006. At regional level, he held the Commonwealth cruiserweight title from 2003 to 2006 and the British cruiserweight title twice between 2003 and 2007.
Lenny Daws is a British professional boxer. He held the British super lightweight title twice between 2006 and 2011, and the EBU European Union super lightweight title between 2012 and 2014.
Jamie McDonnell is a British former professional boxer who competed from 2005 to 2019. He held the IBF bantamweight title in 2013 and the WBA (Regular) title from 2014 to 2018. He held multiple regional bantamweight championships, including the British title twice between 2010 and 2011; the Commonwealth title from 2010 to 2011; and the European title from 2010 to 2012. He is the twin brother of fellow boxer Gavin McDonnell.
Scott Quigg is a British former professional boxer who competed from 2007 to 2020. He held the WBA super-bantamweight title from 2013 to 2016, and the British super-bantamweight title from 2011 to 2012.
Liam Walsh is a British professional boxer. He challenged once for the IBF super-featherweight title in 2017. He held the Commonwealth super-featherweight title from 2010 to 2017, and the British super-featherweight title from 2014 to 2016. Liam has two brothers, both of whom are also professional boxers, most notably his twin Ryan Walsh.
Anthony Crolla is a British former professional boxer who competed from 2006 to 2019. He held the WBA lightweight title from 2015 to 2016, and challenged once for the unified WBA and WBO lightweight titles in 2019. At regional level, he held the British lightweight title from 2011 to 2012, and challenged once for the vacant Commonwealth lightweight title in 2013.
Joe Cordina is an active Welsh former boxing world champion. Cordina held the IBF super-featherweight title in 2022. At regional level, he held the British and Commonwealth lightweight titles between 2018 and 2019. As an amateur, he won a bronze medal at the 2014 Commonwealth Games and gold at the 2015 European Championships, both in the lightweight division. He also represented Great Britain at the 2016 Summer Olympics.
Terry Flanagan is a British professional boxer. He held the WBO lightweight title from 2015 to 2017, becoming the first Englishman to win a world title in that weight class. He won the Prizefighter lightweight tournament in 2012, held the British lightweight title in 2014, and has challenged once for the WBO light-welterweight title in 2018. As of November 2020, he is ranked as the world's number twelve best active light-welterweight by BoxRec.
Lewis David Ritson is a British professional boxer. At regional level, he held the British lightweight title from 2017 to 2018, and challenged once for the European lightweight title in 2018.
