All Boxers American professional boxer:
Muhammad Ali was an American professional boxer and activist. He was widely regarded as one of the most significant and celebrated sports figures of the 20th century. From early in his career, Ali was known as an inspiring, controversial, and polarizing figure both inside and outside the ring.
Terence Crawford is an American professional boxer. He is the current unified WBC, WBO, Ring magazine, and lineal light welterweight champion, having previously held the WBO, Ring, and lineal lightweight titles in 2014.
As of August 2016 he is ranked by The Ring as the world’s fifth best boxer, pound for pound.
Crawford is a fast, hard-hitting, and highly technical fighter who is recognized for his ability to comfortably switch hit from orthodox to southpaw.
Keith Thurman Jr. is an American professional boxer who has held the WBA welterweight title since 2013. As of August 2016 he is ranked the world’s second best welterweight by BoxRec and The Ring magazine, and fourth best by the Transnational Boxing Rankings Board. BoxRec also ranks him as the world’s sixth best boxer, pound for pound. Nicknamed “One Time”, Thurman is known as a knockout artist and one of hardest punchers in the welterweight division.
Floyd Joy Mayweather Jr. is an American former professional boxer and current boxing promoter. Widely considered to be one of the greatest boxers of all time, undefeated as a professional, and a five-division world champion, Mayweather won twelve world titles and the lineal championship in four different weight classes (twice at welterweight).