Naoya Inoue (c) def. Ramon Cardenas via TKO for the WBA, WBC, IBF, WBO, and The Ring super bantamweight titles (0:45 into round eight) Rafael Espinoza (c) def. Edward Vazquez via TKO for the WBO ...

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 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 ...

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

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

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

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 ...

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 ...

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 ...