WBC champion Deontay Wilder is set to defend his heavyweight title against Luis Ortiz in Las Vegas on November 23.
Promoters made the announcement on Saturday.
The rematch comes after Wilder knocked out Oritz in New York last year.
Wilder, who has held the WBC title since 2015, has a career record of 41 wins and just one draw.
World Sports Summit opens Monday with top international sportspersons, experts
Under the patronage of His Highness Sheikh Hamdan bin Mohammed bin Rashid Al Maktoum, Crown Prince of Dubai, Deputy Prime Minister, Minister of Defence, and Chairman of The Executive Council of Dubai, the inaugural World Sports Summit will commence in Dubai on Monday.
Curator 'shocked' by Melbourne pitch performance in Ashes
The Melbourne Cricket Ground (MCG) curator who prepared the widely criticised pitch for the fourth Ashes test said he was in a "state of shock" as wickets tumbled in the two-day match.
MI Emirates seal Qualifier 1 berth after eight-wicket win over Dubai Capitals
MI Emirates confirmed their place in the top two after a comprehensive eight-wicket win over the Dubai Capitals at the Zayed Cricket Stadium on Saturday.
Nigeria let three goal lead slip before edging past Tunisia
Nigeria put on an impressive display of attacking prowess but had to hang on in the end for a narrow 3-2 win over Tunisia at the Africa Cup of Nations on Saturday, becoming the second team to make sure of a place in the last 16.
England survive mayhem to claim Melbourne Ashes win
England celebrated their first test win in Australia in 15 years at a sunbathed Melbourne Cricket Ground on Saturday as their batters chased down 175 runs to secure a four-wicket victory within two frenzied days of the fourth Ashes test.
