What time will Carl Frampton v Leo Santa Cruz start?
As the headliners, Frampton and Santa Cruz are last on a four-fight card.
They are expected around 8pm local time in Las Vegas – or 4am here in the UK.
However, as with all boxing events, their arrival will depend on the progress of the undercard fights.
Carl Frampton and Leo Santa Cruz will face off in Las Vegas on Saturday night
What TV channel with Carl Frampton v Leo Santa Cruz be on?
The WBA featherweight title fight, a rematch of their bout back in July, will be broadcast live on Sky Sports 1.
Coverage will start at 1am and is scheduled to run until 5.30am.
Lee Selby will defend his title on the undercard of Carl Frampton v Leo Santa Cruz
Jonathan Barros stands between Lee Selby and a potential unification fight with Carl Frampton
Who is fighting on the Carl Frampton v Leo Santa Cruz undercard?
Lee Selby v Jonathan Barros
Dejan Zlaticanin v Mikey Garcia
Josh Taylor vs Alfonso Olvera
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Mike Tyson bites Evander Holyfield on the left ear in the third round of their WBA Heavyweight match at the MGM Grand in Las Vegas in 1997
Lee Selby's defence of his IBF featherweight title is perhaps the most interesting bout on the undercard.
If both he and Frampton come through their fights unscathed, the Northern Irishman has already said he wants a unification clash with Selby – in Belfast.
Unbeaten youngster Josh Taylor will also fight in front of a packed MGM Grand
The 26-year-old was the light-welterweight gold medallist at the 2014 Commonwealth Games in Glasgow and faces Alfonso Alvera, a 27-year-old with 11 bouts and two defeats to his name.