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.

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.

Inoue, one of boxing's top pound-for-pound fighters, engaged in a back-and-forth war with Ramon Cardenas, overcoming a second-round knockdown to win by eighth-round stoppage at the T-Mobile Arena ...

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 ...

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 opened the fight with confidence by landing several shots. Ramon Cardenas hits Naoya Inoue in a junior featherweight title boxing match Sunday, May 4, 2025, in Las Vegas. Credit: AP/John Locher ...

Naoya Inoue (29-0, 26 KOs) will defend his undisputed super bantamweight championship against Ramon Cardenas (26-1, 14 KOs). Their fight headlines a Top Rank card – done in association with ...

Welcome to the live results update for Naoya Inoue (29-0, 26 KOs) and Ramon Cardenas (26-1, 14 KOs)! Their fight headlines a Top Rank card – done in association with Ohashi Promotion, Teiken ...

In the main event of Sunday's Top Rank Boxing card, Inoue remained undefeated and retained his undisputed junior featherweight championship with an eighth-round TKO win against Ramon Cardenas in a ...

Gary Antonio Russell could land a high-profile bout with Ramon Cardenas next, following his fight this Friday.

Naoya Inoue remained undefeated after retaining the undisputed junior featherweight title with an eighth-round technical knockout of Ramon Cardenas in front of a packed house inside T-Mobile Arena ...