World welterweight boxing champions

Floyd Joy Mayweather Jr. (born Floyd Joy Sinclair; February 24, 1977) is an American professional boxing promoter and former professional boxer. He competed between 1996 and 2015, and made a one-fight comeback in 2017. During his career he won fifteen major world titles including The Ring in five weight classes, the lineal championship in four weight classes (twice at welterweight), and retired with an undefeated record. As an amateur, Mayweather won a bronze medal in the featherweight division at the 1996 Olympics, three U.S. Golden Gloves championships (at light flyweight, flyweight, and featherweight), and the U.S. national championship at featherweight.

Oscar De La Hoya (born February 4, 1973), is an American former professional boxer who, in 2002, also became a boxing promoter and, in 2018, a mixed martial arts (MMA) promoter. As a boxer, he competed from 1992 to 2008, winning 11 world titles in six weight classes, including the lineal championship in three weight classes. He is ranked as the 13th best boxer of all time, pound for pound, by BoxRec. De La Hoya was nicknamed "The Golden Boy of boxing" by the media when he represented the United States at the 1992 Summer Olympics where, shortly after having graduated from James A. Garfield High School, he won a gold medal in the lightweight division, and reportedly "set a sport back on its feet."

Emmanuel Dapidran Pacquiao Sr., CLH (born December17, 1978) is a Filipino politician and former professional boxer. Nicknamed "PacMan", he is regarded as one of the greatest professional boxers of all time. He has been serving as a senator of the Philippines since 2016.

Victor Ortiz (born January 31, 1987) is an American professional boxer and film actor. He held the WBC welterweight title in 2011, and was formerly rated as one of the world's top three active welterweights by most sporting news and boxing websites, including The Ring magazine, BoxRec, and ESPN. His crowd-pleasing and aggressive fighting style also made him the 2008 ESPN Prospect of the Year.

Holly Rene Holm (born October 17, 1981) is an American mixed martial artist, who competes in the Ultimate Fighting Championship. She is a former UFC Women's Bantamweight Champion, and a former professional boxer. She was a multiple-time world champion in boxing, defending her titles 18 times in three weight classes, and a two-time Ring magazine fighter of the year (2005, 2006). She is ranked by BoxRec as the best female professional Welterweight boxer of all time. She is the only fighter to have won a boxing world title and an MMA title.

Richard John Hatton, MBE (born 6 October 1978) is a British former professional boxer who competed between 1997 and 2012, and has since worked as a boxing promoter and trainer. During his boxing career he held multiple world championships at light-welterweight and one at welterweight. Hatton is ranked by BoxRec as the best British light-welterweight of all time, the third best in Europe, and eleventh best worldwide. In 2005 he was named Fighter of the Year by The Ring magazine, the Boxing Writers Association of America, and ESPN.

Shane Andre Mosley (born September 7, 1971), often known by his nickname "Sugar" Shane Mosley, is an American former professional boxer who competed from 1993 to 2016. He held multiple world championships in three weight classes, including the IBF lightweight title; the WBA (Super) and WBC welterweight titles; and the WBA (Super), WBC, and Ring magazine light middleweight titles. He is also a former lineal champion at welterweight (twice) and light middleweight.

Ray Charles Leonard (born May 17, 1956), best known as "Sugar" Ray Leonard, is an American former professional boxer, motivational speaker, and occasional actor. Often regarded as one of the greatest boxers of all time, he competed from 1977 to 1997, winning world titles in five weight divisions; the lineal championship in three weight divisions; as well as the undisputed welterweight title. Leonard was part of "The Fabulous Four", a group of boxers who all fought each other throughout the 1980s, consisting of Leonard, Roberto Durán, Thomas Hearns, and Marvin Hagler.

Zabdiel Judah (born October 27, 1977) is an American former professional boxer who competed between 1996 and 2019. He held multiple world championships 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. Judah's career ended in 2019 when he was hospitalized after suffering a brain bleed in a stoppage loss to Cletus Seldin.

Sugar Ray Robinson (born Walker Smith Jr.; May 3, 1921 – April 12, 1989) was an American professional boxer who competed from 1940 to 1965. He was inducted into the International Boxing Hall of Fame in 1990. He is widely regarded as one of the greatest boxers of all time.