Tony Canzoneri was an American professional boxer. A three-division world champion, he held a total of five world titles. Canzoneri is a member of the exclusive group of boxing world champions who have won titles in three or more divisions. Canzoneri fought for championships between bantamweight and light welterweight. Historian Bert Sugar ranked Canzoneri as the twelfth-greatest fighter of all time.
Edward Patrick "Mickey" Walker was an American professional boxer who held both the world welterweight and world middleweight championships at different points in his career. Born in Elizabeth, New Jersey, he was also an avid golfer and would later be recognized as a renowned artist. Walker is widely considered one of the greatest fighters ever, with ESPN ranking him 17th on their list of the 50 Greatest Boxers of All-Time and boxing historian Bert Sugar placing him 11th in his Top 100 Fighters catalogue. Statistical website BoxRec rates Walker as the 6th best boxer to have ended his career at middleweight, while The Ring Magazine founder Nat Fleischer placed him at No. 4 among greatest middleweights of all time. The International Boxing Research Organization ranked Walker as the No. 4 middleweight and the No. 16 pound-for-pound fighter of all-time. Walker was inducted into the Ring magazine Hall of Fame in 1957 and the International Boxing Hall of Fame as a first-class member in 1990.
Cecilia Carmen Linda Brækhus is a Norwegian professional boxer and former kickboxer. She reigned as the undisputed female welterweight boxing champion from 2014 to 2020, and is the first woman in any weight class to hold the WBA, WBC, IBF and WBO titles simultaneously. Brækhus is also one of only 11 boxers in history, male or female, to hold all four major world titles simultaneously. She also held the IBO title from 2016 to 2020, and is currently the interim WBC super welterweight champion.
Hanna Gabriels Valle is a Costa Rican professional boxer. She has held world championships in four weight classes, having held the WBA female light middleweight title since 2016; the WBA female light heavyweight and WBC female heavyweight titles since April 2021; the WBO welterweight title in 2009; and the WBO light middleweight title twice between 2010 and 2018. As of September 2020, she is ranked as the world's third best active light middleweight by The Ring and BoxRec.
Claressa Maria Shields is an American professional boxer and professional mixed martial artist. She has held multiple world championships in five weight classes, including the undisputed female light middleweight title since March 2021; the World Boxing Organization (WBO) female light heavyweight title and the World Boxing Council (WBC) and World Boxing Federation (WBF) female heavyweight titles since July 2024; WBC and IBF female super middleweight titles from 2017 to 2018. Shields currently holds the record for becoming a two and three division world champion in the fewest professional fights. As of October 2022, she is ranked the world's best active female middleweight by BoxRec, as well as the best active female boxer, pound for pound, by ESPN and The Ring.
Savannah Rose Marshall is a British professional boxer and professional mixed martial artist. She has held world championships in two weight classes: the undisputed and Ring magazine female super-middleweight title since 2023; and the World Boxing Organization (WBO) female middleweight title from 2020 to 2022. As an amateur, she became the first British female world champion after securing gold at the 2012 World Championships.
Delfine Persoon is a Belgian professional boxer. She held the IBF female lightweight title in 2012 and the WBC female lightweight title from 2014 to June 2019, losing the title in a unification fight against Katie Taylor for the undisputed lightweight championship. As of September 2020, she is ranked as the world's best active female super-featherweight by BoxRec, the second best active female lightweight by The Ring, and the second best active female, pound for pound, by BoxRec, fifth by The Ring and seventh by ESPN.
Anne Sophie Mathis is a French former professional boxer who competed between 1995 and 2016. She held world titles in two weight division; the WBA female super-lightweight from 2006 to 2008; the WBC female super-lightweight title in 2008; and the WIBF and WIBA welterweight titles in 2011. She also challenged once for the WBO female light-middleweight title in 2014 and the undisputed welterweight title in 2016 against Cecilia Brækhus. She is best known for her knockout win over Holly Holm in 2011 and is considered one of the biggest punchers in the history of women's boxing.
Christina Hammer is a German boxer. As a professional, she has held multiple world championships in two weight classes, including the WBO female middleweight title from 2010 to 2019, becoming the youngest boxer to win a WBO world title; the WBC female middleweight title between 2016 and 2018; and the WBO female super-middleweight title in 2013. She also challenged once for the WBO female light-middleweight title in 2014 and once for the undisputed female middleweight championship against Claressa Shields in 2019.
Nikki Adler is a Croatian-German professional boxer. She held the WBC female super-middleweight title from 2013 to 2017.
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.
Franchón Crews-Dezurn is an American professional boxer. She is the current World Boxing Council (WBC) Super middleweight world champion and World Boxing Association (WBA) interim world champion defeating Shadasia Green December 15, 2023. She was the undisputed world champion at super middleweight, losing to Savannah Marshall on 2 July 2023. She held the World Boxing Council (WBC) titles between 2018 and 2023; the World Boxing Organization (WBO) title between 2019 and 2023; and the World Boxing Association (WBA) and International Boxing Federation (IBF) title between 2022 and 2023.
Christina Linardatou Durán is a Greek professional boxer. She is a two-time WBO female junior-welterweight champion, having won the title in 2019 and 2020. As of September 2020, she is ranked as the world's best active female junior-welterweight by The Ring and third BoxRec.
Hannah Rankin is a Scottish professional boxer who has held the WBA and IBO female super-welterweight World titles.
Jason Welborn is an English professional boxer who challenged once for the unified WBA (Super), IBF and IBO light-middleweight titles in 2018. At national level, he held the British middleweight title in 2018, and challenged for the British welterweight and light middleweight titles in 2013 and 2014 respectively, and the Commonwealth light-middleweight and middleweight titles in 2019 and 2020 respectively.
Ema Kozin is a Slovenian professional boxer who currently holds the WBC and WBO female super-welterweight titles having previously been the WBC interim female middleweight champion.
Christian Adriana Namús Corrales is a Uruguayan professional boxer who held the IBF female junior middleweight title from 2017 to 2018. She also challenged for the WBC interim female light welterweight title in 2009; the WBO female light-welterweight title twice in 2011 and 2012; and the undisputed female welterweight title in 2016. As of September 2020, she is ranked as the world's fifth best active female junior middleweight by The Ring and BoxRec.
Cindy Serrano is a Puerto Rican professional boxer who held the WBO female featherweight title from 2016 to 2017. She also challenged for the WIBA featherweight title in 2005; the WIBA and WIBF welterweight titles in 2011; and the unified WBA and IBF female lightweight titles in 2018. Her younger sister, Amanda, is also a professional boxer. The pair became the first sisters to hold world titles from major sanctioning bodies at the same time after Cindy captured the WBO title in 2016.
Femke Hermans is a Belgian professional boxer who is the current IBF and IBO female super-welterweight World champion. She also held the WBO female super-middleweight title in 2018, becoming the second Belgian woman to hold a major world championship.
Firuza Sharipova is a Kazakhstani professional boxer who held the WIBA lightweight title in 2019. As of December 2021, she is ranked number two in the world by the WBA.
Teresa Perozzi 
Vashon Living
Jean Pierre Sports Complex, Port of Spain, Trinidad and Tobago