Kleber Koike Erbst vs Yutaka Saito | RIZIN 45 Featherweight Clash Before Super RIZIN 4

Before Kleber Koike makes his anticipated return at Super RIZIN 4, revisit his intense featherweight showdown with Yutaka Saito from RIZIN 45. This full fight captures two seasoned warriors in a tactical battle that tested grappling, composure, and endurance under the bright lights of Saitama Super Arena.

Koike, the former RIZIN featherweight champion, has built a reputation as one of the slickest submission artists in Japanese MMA. His matchup with Saito — a former Shooto world champion — was billed as a high-stakes crossroads fight, with both veterans vying to stay in title contention. The bout became a technical chess match, showcasing Koike’s ground control and Saito’s calculated counter-striking.

Looking back at this clash helps set the stage for Koike’s next chapter. At Super RIZIN 4, he faces Mikuru Asakura in what could be one of the biggest fights of his career. Meanwhile, other key names like Patricky Pitbull and Karshyga Dautbek look to make headlines in a stacked summer card.

This full fight replay from RIZIN is a must-watch for fans tracking the evolution of Japanese MMA’s featherweight division. Whether you’re new to RIZIN or a longtime supporter, Koike vs Saito delivers high-level technique and narrative weight. Watch now and get hyped for what’s coming July 27 at Saitama Super Arena.