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A stacked featherweight main event, a former Bellator champion chasing redemption, and a heavyweight tournament all collide at RIZIN 54 Toyota Arena
Rizin returns to Tokyo on Tuesday, August 11, with Rizin 54 headlining a summer stretch that has already delivered some of the promotion’s most talked about action of the year. The card lands at Toyota Arena Tokyo on a national holiday, giving the promotion a full house and a featherweight main event that could shake up the division’s pecking order. Here is a full breakdown of what to expect.
Rizin 54 Main event: Kleber Koike Erbst vs Kyoma Akimoto
The featherweight headliner pits two very different styles against each other. Kleber Koike Erbst enters with a professional record of (35-9-1), and a resume built almost entirely on the ground. Twenty nine of his thirty five wins have come by submission, giving him one of the highest finishing rates in the sport. The two time Rizin featherweight champion is thirty six years old and has been competing since 2008, and he remains one of the most technically dangerous grapplers outside the UFC. He enters this fight off a unanimous decision win over Vugar Karamov at the end of last year.
Standing across from him is Kyoma Akimoto, a rising name who enters the fight with a record of (12-1-0) and a five fight win streak that has made him one of the most talked about prospects on the roster. Akimoto has finished four of his last five opponents, including a brutal second round stoppage of Patchy Mix at Rizin 52 that put the rest of the featherweight division on notice. He fights with heavy hands and a finishing instinct that has carried him through the lower ranks quickly.
This is a genuine style clash. Koike will look to close distance and get the fight to the mat, where his submission grappling has rarely been matched. Akimoto will want to keep this standing and use his power to either finish early or wear Koike down before engaging on the ground. Whoever solves the other’s gameplan first will likely walk away with the biggest win of his career.
Patchy Mix looks for a reset at Bantamweight
One of the most closely watched names on this RIZIN 54 card is not currently the champion of anything, but his story carries plenty of weight. Patrick Mix, known throughout the sport as Patchy Mix, enters at (20-3-0). He built that record as a two time Bellator bantamweight champion and the winner of Bellator’s 135 pound Grand Prix tournament, going (20-1-0) before ever signing with a major promotion outside Bellator. After Bellator’s roster moved under the PFL banner, Mix pushed for his release and eventually signed with the UFC, debuting against Mario Bautista at UFC 316.
The UFC run did not go as planned. Mix dropped decisions to both Bautista and Jakub Wiklacz before parting ways with the promotion. He then made his Rizin debut at featherweight, where Akimoto stopped him in the second round at Rizin 52, extending his skid to three straight losses.
At Rizin 54, Mix drops back down to his natural 135 pound weight class to face Shoko Sato, a veteran with a professional record of (38-17-2). Sato made his debut back in 2007, has competed in more than fifty fights across his career, and has held the Shooto bantamweight world title. He enters on a strong run, having won three of his last four, including a first round submission of John Sweeney at Rizin 52. Mix has been direct about what this fight means to him, framing it as a chance to prove himself again and calling it a step toward a Rizin bantamweight title.
For a fighter who once looked like one of the best 135 pounders in the world outside the UFC, this bout doubles as both a crossroads fight and a genuine measuring stick against a durable, well rounded veteran.
The Undercard brings depth and a Heavyweight tournament
Rizin 54 is not just about the two headline bouts. The card runs nine fights deep and includes several matchups with real stakes attached.
Joji Goto, who carries a record of (20-8-1), takes on Azizbek Temirov in a bantamweight bout that should appeal to fans of high pace grappling exchanges. Goto is coming off a loss to Rizin bantamweight champion Danny Sabatello in a title challenge earlier this year, and he will look to bounce back against the Uzbek prospect. Yuki Ito meets Alibek Gadzhamatov in another 126 pound clash, while Keito Oyama and Noeru Narita round out an already dense night of action.
The RIZIN 54 card also carries added significance because of its tie to the Rizin Japan GP Heavyweight Tournament. Semifinal bouts on this card will help determine who advances to the tournament final in November, with the eventual winner earning a shot at Alexander Soldatkin for the promotion’s first heavyweight title on New Year’s Eve. Mikio Ueda enters the tournament at (5-3-0) overall, coming off a win over Shoma Shibisai in May. Tsuyoshi Sudario, a former sumo wrestler who has spent his entire MMA career with the promotion, carries a record of (9-4-0) and has faced notable names including current UFC fighter Junior Tafa. King Edokpolo is the wildcard of the bracket, an unbeaten (2-0-0) prospect training under Plinio Cruz, the same coach who guides former UFC light heavyweight champion Alex Pereira. All three have finished fights inside the Rizin ring, giving the heavyweight division a clear and meaningful storyline heading into the fall.
A division waiting on its champion
One storyline hovers over RIZIN 54 without a single bout attached to it. Rizin’s Women’s Super Atomweight title remains vacant after champion Seika Izawa stepped away to have her first child. Izawa handed back her belt during an emotional announcement earlier this year, making clear she intends to return once she is ready and that she considers anyone who wins the title in her absence a temporary champion. It is a rare and refreshingly honest moment in a sport that does not always make room for personal milestones, and it adds an extra layer of anticipation to whoever eventually claims the vacant strap.
Why this card matters
Rizin 54 checks almost every box that makes a Japanese MMA card compelling. There is a true stylistic puzzle at the top of the bill, a former champion looking to rebuild his career against a credible opponent, and tournament stakes running through the undercard. For fans who want a clear look at where Rizin’s talent pool stands heading into the fall, this is the show to watch.
The RIZIN 54 streams live from Toyota Arena Tokyo on Tuesday, August 11, with the full nine fight card set to unfold across the afternoon and evening in Japan.
Rizin 54 Quick Card
- Kleber Koike vs Kyoma Akimoto, 146 lbs
- Shoko Sato vs Patchy Mix, 134 lbs
- Joji Goto vs Azizbek Temirov, 134 lbs
- Yuki Ito vs Alibek Gadzhammatov, 126 lbs
- Arata Mizuno vs Kaiwen Li, 146 lbs
- Naoki Tanaka vs Issa Hosokawa
- Joe Hiramoto vs Ryoma Shishimoto, 126 lbs
- Kazumasa Majima vs Koji Takeda, 146 lbs
- Mikio Ueda vs King Edokpolo, 265 lbs
- Tsuyoshi Sudario vs Ryo Sakai, 265 lbs
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