In 2025 the first of those, Showa Day, came on April 29. Greenery Day – a day dedicated to the environment – is May 4, when Inoue and Cardenas will fight, and Children’s Day is May 5.

Japan's Naoya Inoue will be stepping into an American boxing ring for the first time since 2021 when he defends his undisputed junior featherweight world title against American Ramon Cardenas on ...

Naoya Inoue enters his first stateside fight since 2021 as a massive, -5000 favorite to win, while Ramon Cardenas is a +1500 underdog. The over/under is set at 5.5 rounds.

Naoye Inoue remains the undisputed super bantamweight champion, but he had to fight through adversity to retain his titles. On Sunday, Inoue defended his undisputed status against Ramon Cardenas ...

At the T-Mobile Arena in Las Vegas, Nevada on May 4, Naoya Inoue (29-0, 26 KOs) will defend his undisputed super bantamweight crown against American challenger Ramon Cardenas.

Ramon Cardenas, left, and Naoya Inoue after a junior featherweight title boxing match Sunday, May 4, 2025, in Las Vegas. (AP Photo/John Locher) ...

Inoue will take on top contender Ramon Cardenas (26-1, 14 KOs) in a scheduled 12-round fight. The fight will be the first of what will be an intriguing row of contenders lined up all the way into ...

LAS VEGAS – Naoya Inoue identified the threat posed by Ramon Cardenas’ left hand at the grand arrivals in Las Vegas for their fight on Sunday evening. The 32 year old is to defend his ...

LAS VEGAS – Naoya Inoue’s former opponent Nonito Donaire is so confident of him defeating Ramon Cardenas on Sunday that he is already anticipating Inoue’s move up to 126lbs.

The anticipation surrounding Naoya Inoue-Ramon Cardenas meant that the public, ceremonial weigh-in staged in Las Vegas on Friday afternoon was oversubscribed.

Naoya Inoue (right) and Ramon Cardenas saved the boxing weekend with their brilliance at T-Mobile Arena in Las Vegas. (Steve Marcus/Getty Images) ...

Undisputed junior featherweight title – 12 rounds Naoya Inoue – 121.9lbs Ramon Cardenas – 121.8lbs WBO featherweight title – 12 rounds Rafael Espinoza – 125.4lbs Edward Vasquez – 125.6 ...