During the 1960s, boxing, like mostly everything else around the world, went through changing times. Notable was the emergence of a young boxer named Cassius Clay, who would, in his own words shock the world, declare himself against war, and change his name to Muhammad Ali.
Mike McCallum is a Jamaican former professional boxer who competed from 1981 to 1997. He held world championships in three weight classes, including the WBA super welterweight title from 1984 to 1988, the WBA middleweight title from 1989 to 1991, and the WBC light heavyweight title from 1994 to 1995.
Hassan N'Dam N'Jikam is a French Cameroonian professional boxer. He has held two middleweight world championships; including the WBO title in 2012 and the WBA (Regular) title in 2017, and has challenged once for a super-middleweight world title in 2019.
Paul James Smith Jr. is a British former professional boxer who competed from 2003 to 2017, and has since worked as a commentator. He held the English middleweight title in 2008, the British super-middleweight title twice between 2009 and 2014, and challenged three times for a super-middleweight world title. As an amateur, he won a silver medal in the light middleweight division at the 2002 Commonwealth Games.
Erislandy Lara Santoya is a Cuban-American professional boxer who is the current WBA middleweight champion, having held the title since 2021. He has held multiple world championships in two weight classes. Previously he held various versions of the WBA light middleweight title between 2014 and 2021, and the IBO light middleweight title twice between 2015 and 2021. As of May 2022, Lara is ranked as the world's fifth-best active middleweight by BoxRec.
Demetrius Cesar Andrade is an American professional boxer. He has held multiple world championships in two weight classes, at light middleweight and middleweight. As an amateur, he won the U.S. national championships and Golden Gloves twice each, a gold medal at the 2007 World Championships, and represented the U.S. at the 2008 Olympics; all in the welterweight division.
Jürgen Brähmer is a German professional boxer. He is a two-time former light-heavyweight world champion, having held the WBO title from 2009 to 2011, and the WBA (Regular) title from 2013 to 2016. Additionally, he has held the European light-heavyweight title twice, in 2009 and 2013.
Ryōta Murata is a Japanese former professional boxer who competed from 2013 to 2022. He held the WBA (Regular) middleweight title twice between 2017 and 2021, and the WBA (Super) middleweight title from 2021 to 2022. As an amateur, he won a silver medal at the 2011 World Championships, and gold the following year at the 2012 Olympics.
Callum John Smith is an English professional boxer. He held the World Boxing Association (WBA) and Ring magazine super-middleweight titles from 2018 to 2020. At regional level, he held the British and European super-middleweight titles between 2015 and 2017. In 2018 he won the World Boxing Super Series super-middleweight tournament, winning the Muhammad Ali trophy in the process. He is the youngest of the Smith brothers—Paul, Stephen, and Liam—all of whom are professional boxers.
Janibek Alimkhanuly is a Kazakh professional boxer and unified middleweight champion who has held the WBO title since 2022, and the IBF title since October 2023. As an amateur, he won gold medals at the 2013 World Championships, 2013 Asian Championships and 2014 Asian Games. He also represented Kazakhstan at the 2016 Summer Olympics in the middleweight division, losing in the quarter-finals. He won the WBO Interim middleweight title on May 21, 2022, before being elevated to full champion on August 30, 2022, and he then won the IBF title on October 14, 2023.
Julian "J-Rock" Williams is an American professional boxer. He held the WBA (Super), IBF, and IBO light middleweight titles from 2019 to 2020. As of November 2020, Williams is ranked as the world’s fourth best active light middleweight by The Ring magazine, third best by the Transnational Boxing Rankings Board, and fourteenth by BoxRec.
Haxhi Krasniqi, known as Robin Krasniqi, is a German professional boxer. He held the International Boxing Organization (IBO) light-heavyweight title from 2020 to 2021, the World Boxing Association (WBA) interim light-heavyweight title from 2020 to 2021, and the European super-middleweight title from 2018 to 2019.
Gervonta Davis, also known as Abdul Wahid and by his nickname "Tank", is an American professional boxer. He has held multiple world championships in three weight classes, from super featherweight to light welterweight, including the World Boxing Association (WBA) lightweight title since 2019.
The 2017–18 World Boxing Super Series – super middleweight division was a World Boxing Super Series professional boxing tournament taking place between September 2017 and September 2018 in several countries. The Super Series features 8 top-rated super middleweight boxers in a single-elimination tournament. Its winner will hold the WBA's world title, The Ring Magazine title, as well as the Muhammad Ali trophy. The tournament was organized by Comosa AG. A cruiserweight tournament is held concurrently, with prize money for both competitions totalling US$50 million.
Brian Carlos Castaño is an Argentine professional boxer. He held the WBO light middleweight title between 2021 and 2022 and previously held the WBA interim light middleweight title from 2016 to 2018, and the WBA (Regular) light middleweight title from 2018 to 2019. As of November 2020, he is ranked as the world's fifth best active light middleweight by The Ring magazine, the Transnational Boxing Rankings Board and third by BoxRec.
Kamil Szeremeta is a Polish professional boxer who held the European middleweight title from 2018 to 2019. As of June 2020, he is ranked as the world's seventh best active middleweight by The Ring and eighth by the Transnational Boxing Rankings Board.
Osvary David Morrell Gutierrez Jr. is a Cuban professional boxer. He has held the WBA (Regular) super middleweight title since 2021. As an amateur, he won gold medals at the 2016 Youth World Championships and the 2017 Cuban National Championships.
Gennady Golovkin vs. Ryōta Murata, billed as Big Drama in Japan, was a middleweight unification professional boxing match contested between IBF and IBO champion, Gennady Golovkin and WBA (Super) champion, Ryōta Murata. The bout took place at Saitama Super Arena, Saitama, Japan on April 9, 2022.
Ryota Yamauchi is a Japanese professional boxer who has held the WBO Asia Pacific flyweight title since 2020. As of December 2021, he is ranked as the world's tenth best flyweight by The Ring.
Vincenzo Gualtieri is a German professional boxer. He held the International Boxing Federation (IBF) middleweight title from July 2023 to October 2023.
Janibek Alimkhanuly 
Virgin Hotels Las Vegas, Paradise, Nevada, U.S.
Vitalii Kopylenko
Ryōta Murata 
Jürgen Brähmer 
Ernesto Berrospe
Dionisio Miranda