Mexico’s Rafael Espinoza is to defend his WBO featherweight title against Edward Vazquez on the undercard of Naoya Inoue-Ramon Cardenas at Las Vegas’ T-Mobile Arena on May 4

Naoya Inoue will put his undisputed junior featherweight championship on the line May 2 against Ramon Cardenas, his first fight in the U.S. since June 2021.

Japan’s unbeaten Naoya Inoue will fight in Las Vegas for the first time in four years when he takes on American Ramon Cardenas in May, promoters Top Rank said Thursday. The 31-year-old “Monster” will defend his undisputed super-bantamweight world titles in his first fight outside of Japan since 2021.

Japanese boxer Naoya Inoue will defend his undisputed super bantamweight world title against American Ramon Cardenas on May 4 in Las Vegas, promoter Top Rank said.Inoue, who has a 29-0 record with 26 knockouts,

Inoue was originally scheduled to face Sam Goodman in December, but the fight was postponed when the Australian suffered a cut above his eye in training.

Miller called with startling news. He had secured a dream fight for Cardenas (26-1, 14 KOs) against Japanese legend and undisputed super bantamweight champion Naoya Inoue (29-0, 26 KOs) on May 4 at T-Mobile Arena in Las Vegas, should he be interested.

Japanese world champion Naoya Inoue will defend his undisputed super-bantamweight title against Ramon Cardenas on 4 May.

On May 4, 2025, the undisputed super bantamweight king Naoya Inoue (29-0, 26 KOs) returns to action. “The Monster” will take on American challenger Ramon Cardenas (26-1, 14 KOs) at the T-Mobile Arena in Las Vegas on a Top Rank Boxing on ESPN card.