Kazakhstan's Golovkin believes the 12-round boxing match between Mayweather and McGregor, a double UFC champion who has never boxed professionally, is nothing more than a business arrangement for both men to rake in millions of dollars.
"This is not for fighters, but business," Golvokin, who has won all 37 of his fights, told reporters of the non-title contest that is expected to draw a huge pay-per-view audience.
"I think people understand what is a true fight, a boxing fight, like mine with Canelo or a big show, maybe sometimes for people a funny show, like a circus show.
"Everybody knows. Conor is not a boxer, just a show. If you want to watch a show please watch them, if you want to watch a true fight, a true boxing fight and you respect boxing, watch my fight with Canelo."
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The 35-year-old Golovkin has made 18 consecutive world middleweight title defences, while his 26-year-old opponent has won world titles in two division during a 51-fight career. Alvarez's sole defeat came against Mayweather in 2013.
Last month, Hall of Famer Oscar De La Hoya also termed the Mayweather-McGregor contest a "farce" that should not be allowed to happen.
(Reporting by Hardik Vyas in Bengaluru; Editing by John O'Brien)
