Anthony Joshua faces Dillian Whyte, an opponent who defeated him in the amateurs, at the o2 Arena in London on 12 December.
Both fighters are unbeaten in the pro ranks, Joshua in 14 fights, Whyte in 16.
Whyte, 27, defeated Joshua, 26, in an amateur bout in 2009, although the Watford-born Joshua went on to win Olympic gold at the 2012 Olympics.
Chris Eubank Jr, Tony Bellew Kevin Mitchell, Luke Campbell and Paulie Malignaggi all fight on the undercard.
WHEN IS IT ON?
Saturday, 12 December
WHAT CHANNEL IS IT ON?
Sky Sports Box Office, from 5pm. The event costs £16.95 to book.
Britain's current boxing world champions
Show all 8FULL CARD
British & Commonwealth heavyweight titles
Anthony Joshua v Dillian Whyte
WBA middleweight eliminator
Chris Eubank Jr v Gary O'Sullivan
Vacant European cruiserweight title
Tony Bellew v Mateusz Masternak
WBA Interim lightweight title
Kevin Mitchell v Ismael Barroso
12 Rounds lightweight
Luke Campbell v TBC
WBC International featherweight title
Josh Warrington v Jorge Sanchez
Vacant European welterweight title
Paulie Malignaggi v Gianluca Branco
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