What boxer has most titles?
Oscar De La Hoya - 6 WBO Junior Lightweight title; World WBO, IBF Lightweight titles;World WBC Junior Welterweight title;World WBC Welterweight title (failed to win IBF title);World WBC, WBA Junior Middleweight titles: WBO Middleweight title (failed to win World WBA, WBC, IBF titles).Thomas Hearns - 5World WBA Welterweight title;World WBC Junior Middleweight title;WBC, WBA Light Heavyweight titles:WBC Middleweight title (failed to win World WBA, WBC, IBF titles):WBO Super Middleweight title (failed to win the WBC title in controversial bout).'Sugar' Ray Leonard - 5World WBC, WBA Welterweight titles;WBA Jr. Middleweight title (failed to win WBC title);World WBC Middleweight title:WBC Super Middleweight title (failed to win WBO title):WBC Light Heavyweight title. (Won SMW and LHW titles in same bout).Floyd Mayweather, Jr. - 5WBC Junior Lightweight title;World WBC Lightweight;WBC Junior Welterweight title;World WBC, IBF Welterweight titles:World WBC Junior Middleweight title.