 He was the referee and sole judge of the fight between Henry Cooper and Joe Bugner in 1971, awarding the fight to Bugner by a quarter of a point, which remains one of the most controversial decisions in British boxing history.He was also the referee when Wilfredo Gomez beat Carlos Zarate in San Juan, Puerto Rico.Gibbs was originally supposed to be one of three judges, alongside Dave Moretti and Lou Filippo, in the Marvelous Marvin Hagler vs. Sugar Ray Leonard world middleweight title fight in April 1987.