This 12-round super-bantamweight title fight will take place on Sunday, May 4 at the T-Mobile Arena in Las Vegas.
Undercard bouts are likely to get started at around 1am in the UK, with main event ringwalks are scheduled for around 4am UK time.
The card will be broadcast live on Sky Sports Action.
talkSPORT and talkSPORT.com will also keep you up to date with all of the latest news and build-up.
Here is everything you need to know ahead of Naoya Inoue vs Ramon Cardenas.
When is Naoya Inoue vs Ramon Cardenas?
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- Date: Sunday, May 4th 2025
- Time: 10 PM E.T. / 7:00 PM P.T.
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The Naoya Inoue vs. Ramon Cardenas fight card is scheduled to start at 10 PM E.T. (Eastern Time) / 7:00 PM P.T. (Pacific Time) for local American viewers. Fans in the United Kingdom can tune in to watch the fights at 1:00 AM B.S.T. (British Summer Time).
What has been said?
After announcing the fight, Top Rank chairman Bob Arum said: “Naoya Inoue is among the most powerful and well-rounded fighters I’ve had the privilege of promoting, a singular boxing talent.
“After many years selling out arenas and stadiums in his native Japan, ‘The Monster’ is ready to take over Las Vegas on Cinco de Mayo weekend.
“Ramon Cardenas is a worthy challenger who has earned this opportunity with several impressive victories.”
On the huge bout, Cardenas added: “This means the world to me. I’ve always aspired to fight for a world title, but to get a chance to fight for all the belts is a dream come true.
“I always knew our paths would cross. I never had any doubts. When the fight was offered, I instantly accepted.
“I wouldn’t say it’s a lottery ticket, but you can't turn it down if you get a chance at the undisputed title. This is the opportunity of a lifetime.”
Inoue said: "Fighting at T-Mobile Arena in Las Vegas is another career highlight, and I look forward to putting on a great show for everyone.
"Cardenas is a tough opponent who I respect for accepting the fight without hesitation."
"This means the world to me. I've always aspired to fight for a world title, but to get a chance to fight for all the belts is a dream come true," Cardenas said.
"I always knew our paths would cross. I never had any doubts. When the fight was offered, I instantly accepted. I wouldn't say it's a lottery ticket, but you can't turn it down if you get a chance at the undisputed title. This is the opportunity of a lifetime."
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