Boxing has never before in the four-belt era had an undisputed Welterweight division world champion. This will change on July 29th, in Las Vegas, when Terence “Bud” Crawford puts his World Boxing Organization (WBO) championship belt on the line against Errol “The Truth” Spence Jr. and his World Boxing Association (WBA), International Boxing Federation (IBF), World Boxing Council (WBC) championship belts.