Pro career
Letterlough became a professional boxer in 1998 at the late age of 28 after a seven-year stint in prison for assault. He fought as a light heavyweight and was unbeaten in his first 16 fights.
Light heavyweight, or junior cruiserweight, is a weight class in combat sports.
He fought against Julio César González in 2001, a fight in which González was down three times, and Letterlough down twice. Gonzalez won by decision. Later that year, he got a shot at International Boxing Federation cruiserweight titleholder Vassiliy Jirov, but lost in the 8th round by TKO. He lost a decision later that year to David Telesco, and in 2003 was knocked out by Richard Hall. In 2004 he fought a draw against Daniel Judah, a fight in which Judah went down in round five and was docked a point for holding in round seven.
Julio César González Ibarra was a Mexican professional boxer who competed from 1997 to 2011, and held the WBO and lineal light heavyweight titles from 2003 to 2004.
The International Boxing Federation (IBF) is one of four major organizations recognized by the International Boxing Hall of Fame (IBHOF) which sanction world championship boxing bouts, alongside the World Boxing Association (WBA), World Boxing Council (WBC) and World Boxing Organization (WBO).
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.
Delia 'Chikita' Gonzalez is an American former flyweight female boxer. She has a record of 13-9-4 with 3 knockout wins, although several of her losses have been controversial.
Michael Carbajal is an American five-time world boxing champion of Mexican descent. His nickname was "Little Hands Of Stone," after his favorite boxer,"Hands Of Stone" Roberto Durán.
Konstantin Borisovich "Kostya" Tszyu is a Soviet-born Australian former professional boxer who competed from 1992 to 2005. He held multiple light-welterweight world championships, including the undisputed and lineal titles between 2001 and 2005. Tszyu was an exceptional all-around boxer-puncher who relied heavily on accuracy and timing, and carried formidable punching power; he is often regarded as one of the hardest-punching light-welterweights in the division's history.
Vassiliy Valeryevich Jirov, sometimes known as Vasily Zhirov, is a Kazakhstani former professional boxer who competed from 1997 to 2009, and held the IBF cruiserweight title from 1999 to 2003. As an amateur he won a gold medal at the 1996 Olympics, as well as consecutive bronzes at the 1993 and 1995 World Championships, all in the light-heavyweight division.
Frankie Billy Randall is an American former professional boxer who competed from 1983 to 2005. He is a three-time light welterweight world champion, having held the WBA, WBC, and lineal titles between 1994 and 1997. Randall is best known for being the first boxer to defeat Julio César Chávez, whose record at the time of their 1994 fight stood at 89 wins and a draw.
Miguel Angel Canto Solis is a former world boxing champion from Mexico who held the WBC and Lineal Flyweight titles.
Betulio Segundo González is a former boxer from Venezuela, who is considered a national hero in Venezuela. He is considered by many to be Venezuela's greatest world champion in boxing history. A combatant of 91 bouts, he fought until eleven months before he turned forty, the mandatory age for professional fighters to retire in Venezuela.
Zabdiel Judah is an American professional boxer. He is a multiple-time former world champion in two weight classes, having held the IBF and WBO junior welterweight titles between 2000 and 2004; the IBF junior welterweight title again in 2011; and the undisputed welterweight title in 2005, which included a reign as the lineal champion from 2005 to 2006.
Peter Manfredo Jr. is an American professional boxer and former IBO middleweight champion. He has challenged twice for upper-level world titles, at middleweight and super middleweight, as well as having won the NABO, IBU and European Boxing Association (EBA) light middleweight titles.
Roger Mayweather is an American former professional boxer who competed from 1981 to 1999, and has since worked as a boxing trainer. He is a two-weight world champion, having held the WBA and lineal super featherweight titles from 1983 to 1984, and the WBC light welterweight title from 1987 to 1989. Additionally he held the IBO light welterweight title in 1994, and the IBO welterweight title from 1994 to 1995.
Junior Witter is a British professional boxer. He has held multiple light-welterweight championships, most notably the WBC title from 2006 to 2008. Additionally he held the British and Commonwealth titles from 2002 to 2006; the European title from 2004 to 2006; and the British welterweight title in 2012.
Daniel Harvey Judah is an American professional boxer. He is the brother of Zab Judah and Josiah Judah, who are also professional boxers.
Shoji Oguma is a Japanese former professional boxer who held the WBC and Lineal titles in the Flyweight division.
Gary Russell Jr. is an American professional boxer. He has held the WBC featherweight title since 2015, and as an amateur he won a bronze medal in the bantamweight division at the 2005 World Championships. Russell was voted Prospect of the Year for 2011 by The Ring magazine, Sports Illustrated, and ESPN.
Ratanachai Sor Vorapin is a professional boxer and a former WBO bantamweight champion. He is the younger brother of Ratanapol Sor Vorapin, a former IBF strawweight champion.
Khalid "Kal" Yafai is a British professional boxer who has held the WBA super-flyweight title since 2016. As an amateur, he represented Great Britain at the 2008 Summer Olympics and won a silver medal at the 2010 European Amateur Boxing Championships as a flyweight. As of May 2018, he is ranked as the world's third best active super-flyweight by BoxRec and the Transnational Boxing Rankings Board, and fourth best by The Ring magazine.
Darryl Tyson is an American former professional boxer. He is a former WBC Continental Americas lightweight champion and former USBA and NABF champion in the lightweight and junior welterweight divisions.
Lucas Martín Matthysse is an Argentine former professional boxer who competed from 2004 to 2018. He held the WBA (Regular) welterweight title in 2018 and the WBC interim super lightweight title from 2012 to 2013. Matthysse is known for his aggressive pressure fighting style and formidable punching power. His older brother, Walter, is also a former professional boxer.
Mike Ballerino was an American World Jr. Lightweight boxing champion who began his career in the Philippines boxing with the U. S. Army. Ballerino took the World Jr. Lightweight Championship against Steve "Kid" Sullivan on April 1, 1925, in Philadelphia, Pennsylvania, in a ten-round unanimous decision.
