Super RIZIN.4 Preview | Full Breakdown of Title Fights & Stars

Legendary fight commentator Michael Schiavello returns with a full breakdown of Super RIZIN.4, Japan’s most stacked MMA event of 2025. Set inside the iconic Saitama Super Arena, this massive card brings chaos, titles, and fan-favorite fighters under the spotlight. If you love unpredictable fights and larger-than-life energy, this is the RIZIN experience you’ve been waiting for.

The main event sees Mikuru Asakura take on submission master Kleber Koike Erbst in a clash of styles and pride. Their matchup could decide the future of the featherweight landscape in RIZIN, and Schiavello breaks down every angle of this explosive fight.

Also on the card is a title fight between Naoki Inoue and Ryuya Fukuda for the vacant bantamweight belt. Expect high pace, beautiful scrambles, and Schiavello’s insights on how this technical battle could steal the show.

Veteran power-puncher Patricky Pitbull collides with rising Japanese prospect Shunta Nomura in a cross-promotional war. Can Nomura’s speed outlast Pitbull’s brutality? Schiavello weighs in on this banger of a lightweight tilt.

Don’t overlook the women’s super fight: unbeaten atomweight queen Seika Izawa defends her crown against South Korea’s Yu Jin Shin. With elite judo and relentless pressure, Izawa’s style might clash beautifully with Jin Shin’s dynamic counters.

This guide isn’t just a preview — it’s a hype boost. Schiavello brings experience, color, and precision to each prediction, making it a perfect warm-up before Super RIZIN.4 kicks off. Whether you're a diehard RIZIN fan or discovering Japanese MMA for the first time, this breakdown has everything you need.