William James Wilde was a Welsh professional boxer who competed from 1911 to 1923. He held the IBU world flyweight title in 1916, the EBU European flyweight title twice; firstly in 1914 and again from 1916 to 1917, the BBBofC British flyweight title in 1916 and the National Sporting Club's British flyweight title from 1916 to 1918. Often regarded as the greatest British fighter of all time, he was the first official world flyweight champion and was rated by American boxing writer Nat Fleischer, as well as many other professionals and fans including former boxer, trainer, manager and promoter, Charley 'Broadway' Rose, as "the Greatest Flyweight Boxer Ever". Wilde earned various nicknames such as, "The Mighty Atom," "Ghost with the Hammer in His Hand" and "The Tylorstown Terror" due to his bludgeoning punching power. While reigning as the world's greatest flyweight, Wilde would take on bantamweights and even featherweights, and knock them out. As well as his professional career, Wilde participated in 151 bouts judged as 'newspaper decisions', of these the results were: Won 7 and lost 1, with 143 being declared as 'no decisions'. Wilde has the third longest recorded unbeaten streak in boxing history, having gone 92–0–1. Behind Packey McFarland who went 106–1–6 losing only his 9th fight and going another 104 unbeaten and behind Young Griffo who was 7–1–3 early on and bringing his record up to 79–1–38 going 107 fights unbeaten.
Joseph Erskine was a heavyweight boxer from the Butetown district of Cardiff, Wales. He was an Amateur Boxing Association Champion, Inter-Services Champion, and British Army Champion in 1953. He began fighting as a professional in 1954 and was trained by Freddie Elvin. He held the British heavyweight title from August 1956 to June 1958. In all, he won 45 of his 54 professional bouts, losing 8, with one drawn. His best wins were against George Chuvalo, Henry Cooper, Dick Richardson, Uli Ritter, Jack Bodell, Johnny Williams, Joe Bygraves and Willie Pastrano.
Sid Smith was an English professional boxer who competed from 1907 to 1919. He was the first officially recognised BBBofC British flyweight champion, holding the title from 1912 to 1913, and was also recognized by the International Boxing Union as the world flyweight champion in 1913.
John Michael Basham was a Welsh boxer who became British and European champion at both welter and middleweight. His professional career spanned over 20 years, from 1909 to 1929, and after being stationed in Wrexham through military service, he fought most of his bouts in nearby Liverpool.
Frank Moody was a Welsh boxer who fought between 1914 and 1936. He is most notable for winning the British and Empire middleweight boxing championship in 1927 and 1928 and the light-heavyweight title from 1927 to 1929.
Pat Thomas was a Light-middleweight boxer, originally from Saint Kitts and Nevis, who took British citizenship and won two British boxing titles in the 1970s and 80s. After leaving Saint Kitts, Thomas settled in Cardiff in Wales, and is recognised as a Welsh fighter taking the Welsh light middleweight Championship in 1977.
André Routis was a French professional boxer. He fought 86 times between 1919 and 1929; winning 54, losing 25 and drawing 7. After a victory over Tony Canzoneri he held the World Featherweight title from 1928 to 1929. Earlier in his career Routis competed as a bantamweight, where he won the French title and fought three times for the EBU title. Before turning professional Routis won the French amateur bantamweight championship in 1918.
Thomas Morgan "Tosh" Powell was a professional boxer from Wales. Based in Aberdare, Powell was notable for becoming the Welsh bantamweight champion and the matter of his death, caused by injuries sustained in the boxing ring.
Robert Dickie was a Welsh professional boxer, fighting at both featherweight and super-featherweight. He was Scottish champion at featherweight, British champion at both weights and became WBC International super-featherweight champion in 1988. He is one of only four Welshmen to hold a British boxing title at different weights, the others being Johnny Basham, Pat Thomas and Jack Petersen.
Ronnie James was a British Lightweight boxing champion. Born in Swansea, Wales, James had over 130 professional bouts winning 114 of them, 61 through knockout. In 1946 he challenged Ike Williams at Cardiff for the NBA Lightweight title, but lost the contest in the ninth round.
Tom Norris was a Welsh professional heavyweight boxer. Born in Clydach Vale in the Rhondda, Norris became the Welsh heavyweight champion in December 1925, losing the title in the rematch to Dick Power some three months later.
Thomas Glanville Davies was a Welsh Middleweight boxer. Davies was Wales middleweight champion from 1943 until his retirement in 1949. He successfully defended his title on four occasions. Davies was considered a serious contender for the British Middleweight title, but a string of three fights against Vince Hawkins during 1944 robbed him of his chance of a title fight.
Phineas Gladney John (1910–1985) was a Welsh professional boxer who fought from 1927 and 1940. John ended his career as a featherweight, but in his early professional bouts, he fought as a flyweight before increasing to bantamweight. Soon after he turned professional John competed for area titles, taking the Welsh flyweight belt in 1928 and then the Welsh bantamweight in 1929. After 1929 John failed to pursue any further titles, but continued fighting across the United Kingdom, ending his career with at least 242 professional fights.
Dennis Avoth is a retired Egypt-born heavyweight boxer. Avoth was a promising amateur boxer who turned professional in 1967. He held the Welsh Heavyweight Championship title from 1971 to 1973. He is the brother of Eddie Avoth, who was also a boxer and who became British, and Commonwealth Light-heavyweight champion, and European Light-heavyweight challenger.
George Sutton, Sr was a Welsh boxer who held the Welsh flyweight title on two occasions. His brother, Jackie Sutton, also held a Wales boxing belt and his son, George Jr, contested the British Bantamweight title. Sutton later on in life married his wife Margaret Sutton who then had his children Gary Sutton, George Sutton and his five daughters
Johnny Houlston (1917–1962) was a Welsh welterweight and middleweight boxer. Houlston was Wales welterweight champion from 1938 until he relinquished the belt with the outbreak of the Second World War in 1939. Houlston decision to join the Merchant Navy in 1939 resulted in him engaging in no professional bouts until he left the service in 1946. On his return to professional boxing after the war, Houlston switched to middleweight and made one unsuccessful attempt at the Welsh title. His boxing career lasted from 1935 to 1949. He was predicted to be a World Middleweight Champion before the war.
Philip Cilia was a Welsh Middleweight boxer who fought under the name Phil Edwards. Edwards was Wales middleweight champion from 1957 until his retirement in 1962. One of the best British fighters at his weight, Edwards was unfortunate to box during the reign of Terry Downes, and he twice failed in a challenge for the British title against Downes.
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.
Neil McLaughlin was an Irish professional boxer. As an amateur, he won several regional and national titles, including winning the All-Ireland title in 1971 and 1972. He won a bronze medal at the 1971 European Amateur Boxing Championships before competing in the men's flyweight event at the 1972 Summer Olympics, where he reached the quarter-finals.
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.