Manny Pacquiao bids to extend his already illustrious career when he takes on Keith Thurman tonight.
The eight-division world champion is fighting on into his 40s as he looks to cement his place at the top of the welterweight division.
He bounced back from his summer 2017 defeat by Jeff Horn by beating first Lucas Matthysse and then Adrien Broner.
And now he takes on Thurman who has fought just once in the last two years after struggling through injury.
The younger man has yet to taste defeat and will provide Pacquiao with his sternest test since his defeat by Floyd Mayweather four years ago.
Here is everything you need to know about the fight...
What time is the fight?
The fight will start between 4.30am and 5am UK time on Sunday morning.
What TV channel is it on?
The fight will be broadcast on ITV Box Office at a cost of £12.95. Click here to order and for more information.
Is there a live stream?
The fight can be streamed via the ITV Box Office website via the link above.
Where is the fight?
The fight will take place at the MGM Grand Garden Arena in Las Vegas.
What are the odds?
Pacquiao 4/5
Thurman 11/10
Draw 16/1
*Click here to bet with The Pools
Who is on the undercard?
Yordenis Ugas vs Omar Figueroa Jr
Luis Nery vs Juan Carlos Payano
Sergey Lipinets vs John Molina Jr
Caleb Plant vs Mike Lee
Efe Ajagba vs Ali Eren Demirezen
Latest news
Manny Pacquiao has not signed a contract to take on Amir Khan in Saudi Arabia later this year despite claims that a deal has been agreed for the bout, the Filipino's publicist has said.
Khan, who beat Australia's Billy Dib in Jeddah on July 13 to win the WBC international welterweight title, said on Tuesday that he had agreed a deal to fight Pacquiao in Riyadh on Nov. 8.
The Briton told British media the clash with Pacquiao would happen even if the 40-year-old were to lose to American Keith Thurman in Las Vegas on Saturday.
"Manny has not signed any contract. As far as I know it has not even been discussed," Pacquiao's publicist Fred Sternberg told the BBC.
"He has been in training camp for the past eight weeks, four in the Philippines and four in the United States, and he hasn't met with Amir Khan during that time."
Sternberg said he did not know what prompted Khan to make the claims.
"That's a question you need to ask Amir Khan," he said.
Khan had been slated to fight eight-division world champion Pacquiao two years ago in the United Arab Emirates but no agreement could be reached.
Pacquiao, one of the sport's most decorated fighters, has a record of 61 victories, seven defeats and two draws in a career spanning 24 years.
Khan has 34 wins and five defeats.