Juan Molina, better known as John John Molina in the world of boxing, is a former boxer whose career transcended boxing in Puerto Rico. A multiple time world champion, this boxer was also known as quite a socialite. Molina is a native of Fajardo, Puerto Rico.
Alexander Sánchez Sepúlveda is a former Puerto Rican professional boxer. He held the WBO minimumweight title from 1993 to 1997.
Mini flyweight, also known as strawweight, minimumweight or super atomweight, is a weight class in combat sports.
Ricardo López Nava is a Mexican former professional boxer who competed from 1985 to 2001. He was a two-weight world champion, having held the WBC mini flyweight title from 1990 to 1998, defending it against a record-breaking 21 opponents; the WBA and WBO mini flyweight titles between 1997 and 1998; and the IBF junior flyweight title from 1999 until his retirement in 2001. He is one of just fifteen world boxing champions to retire without a loss. He is the father of undefeated former boxer Alonso López.
Duke McKenzie is a British former professional boxer who competed from 1982 to 1998. He is a three-weight world champion, having held the IBF flyweight title from 1988 to 1989; the WBO bantamweight title from 1991 to 1992; and the WBO junior-featherweight title from 1992 to 1993. At regional level he held the British flyweight title from 1985 to 1988; the European flyweight title from 1986 to 1988; and the British featherweight title from 1993 to 1994. After retiring from the sport, McKenzie has worked as a boxing commentator for broadcaster ITV.
Rosendo José Álvarez Hernández is a Nicaraguan retired professional boxer. He is a former two-division champion and is well known for giving Mexican legend Ricardo López two tough fights. He is the only person to hold the undefeated strawweight champion to a draw.
Ratanapol Sor Vorapin is a Thai former professional boxer. He is the older brother of former World Boxing Organization Bantamweight champion Ratanachai Sor Vorapin.
Hiroki Ioka is a Japanese former professional boxer who competed from 1986 to 1999. He has held world championships in two weight classes, having held the WBC mini-flyweight title from 1987 to 1988, and the WBA light-flyweight title from 1991 to 1992. He was the first ever WBC mini flyweight champion, winning the title immediately after the mini-flyweight division was created.
John Riel Reponte Casimero is a Filipino professional boxer and YouTuber. He has held world championships in three weight classes; including the IBF junior-flyweight title from 2012 to 2013; the IBF flyweight title in 2016; and the WBO bantamweight title from 2019 to 2022. Quadro Alas is Tagalog for four of a kind when translated, his moniker means Four Aces.
Eric Jamili is a retired Filipino professional boxer. He won the vacant WBO minimumweight title in December 1997 with an eighth round technical knockout of Englishman Mickey Cantwell in London. He lost the title in his first defense to Kermin Guardia six months later.
Paul Butler is an English professional boxer and two-time bantamweight world champion, having held the International Boxing Federation (IBF) title in 2014 and the World Boxing Organisation (WBO) title in 2022. He also held multiple regional titles, including the British and Commonwealth super-flyweight titles in 2012 and 2013, respectively.
Zolani Tete is a South African professional boxer. He is a former two-weight world champion, having held the IBF junior-bantamweight title from 2014 to 2015 and the WBO bantamweight title from 2017 to 2019.
Kosei Tanaka is a Japanese professional boxer. He is a three-weight world champion, having held the WBO mini-flyweight title from 2015 to 2016; the WBO junior-flyweight title from 2016 to 2017; and the WBO flyweight title from 2018 to 2020. Upon winning his first world title in only his fifth bout, he became the fastest Japanese fighter ever to become a world champion. Along with Vasyl Lomachenko, he is also the fastest ever fighter to win titles in three weight-classes, having accomplished the feat in only 12 bouts.
Mickey Cantwell is a British former professional boxer who competed from 1991 to 2001. He challenged for multiple world titles; the WBO light flyweight and mini flyweight titles in 1997; and the IBF mini flyweight title in 2000. At regional level, he held the British flyweight title in 1996.
Toto Pongsawang or spelt Toto Por.Pongsawang is a former Thai professional boxer and Muay Thai fighter of the 1990s.
Felix Pedro Alvarado Sanchez is a Nicaraguan professional boxer who held the IBF light flyweight title from 2018 to 2022. He previously challenged for the IBF flyweight title in 2022, the WBA (Regular) light flyweight title in 2013, and the WBA (Regular) flyweight title in 2014. As of January 2022, Alvarado is ranked as the world's best active light flyweight by The Ring, second best by BoxRec and third best by the Transnational Boxing Rankings Board. His twin brother, René Alvarado, is also a professional boxer.
Deejay Kriel is a South African professional boxer who held the IBF mini-flyweight title in 2019.
Rolando Pascua is a Filipino former professional boxer. He held the WBC light-flyweight title from 1990 to 1991 and challenged for the IBF super-flyweight title in 1993.
Katia Gutiérrez is a Mexican professional boxer who held the IBF female mini flyweight title from 2011 to 2013. She also challenged for the IBF female junior flyweight title in 2011; the WBC female mini flyweight title in 2014; and the WBA female mini flyweight title in 2016.
Osvaldo Guerrero-Camargo is a Mexican former professional boxer who competed from 1991 to 2004, challenging for the IBF mini flyweight title in 1995.
Nkosana Sobethu
Ricardo Lopez 
Madison Square Garden, New York City, New York, US
Mickey Cantwell 
Juanito Rubillar 
Faisol Akbar
Ratanapol Sor Vorapin