“BAZARA 0 Fight Club IV” is returning to Latvia’s biggest arena for its fourth fight event and has added another major international matchup: Francis Rozentals vs. Joilton “Brazilian Sub-Zero” Lutterbach!
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This will be one of the sharpest matchmaking contrasts on the card: a young, strong and yet unbeaten Latvian boxer against a 70-fight international combat sports veteran with experience across MMA, kickboxing, K-1, GLORY, PFL, BRAVE CF, KSW and other major platforms!
It is also a direct continuation of what happened at “BAZARA 0 Fight Club III”! On January 10, 2026, both of these men won inside Xiaomi Arena on the same night: Rozentals beat Kristaps Zutis by second-round TKO, while Lutterbach defeated the former WBO European light-heavyweight champion Ričards “The Lion” Bolotņiks by decision.






Rozentals is a multiple-time Latvian boxing champion, a European tournament medalist, unbeaten as a professional—and on a highly visible comeback. He returned to the ring at the 2025 Latvian Boxing Championship after a longer break, and his comeback has now moved into the BAZARA 0 frontlines. At “BAZARA 0 Fight Club”, he publicly challenged Dominykas Dirkstys, at “BAZARA 0 Fight Club II” Rozentals defeated Juris Zundovskis by second-round TKO, and at “BAZARA 0 Fight Club III”, he followed his streak with a win over Kristaps Zutis, which was one of the loudest domestic fights on the January card; he entered the cage by descending from above on a wire, in a walkout inspired by WWE’s Shawn Michaels.

Lutterbach brings a completely different scale of experience to the game. His career has never belonged to a single rule set and his international résumé is unusually broad: Joilton holds a 41–11 professional MMA record and one no contest, with 17 KO/TKO wins and 13 submission wins.
In BRAVE CF, Lutterbach built one of the strongest runs of his MMA career. There, he finished Marcel Grabinski by first-round knockout in his promotional debut at BRAVE CF 61, then stopped Mihail Cotruta in the first round at BRAVE CF 68 (although he was ineligible for the interim super lightweight title after missing weight). BRAVE also described him as a six-promotion, multi-division MMA champion and two-promotion K-1 champion with 27 finishes in 37 victories at that point.
Lutterbach has also shared the cage with elite opposition: KSW’s official results from KSW 50 in London list his middleweight fight against Dricus du Plessis, which Du Plessis won by second-round TKO.
The most complicated chapter in Lutterbach’s recent career is also part of the public record. He was scheduled to face Sharabutdin Magomedov at UFC Saudi Arabia in June 2024, but later reported that his UFC tenure ended before his debut after a positive test for a drostanolone metabolite under the Combat Sports Anti-Doping program. According to that report, Lutterbach received a two-year suspension scheduled to run until June 23, 2026.
After defeating Bolotņiks at “BAZARA 0 Fight Club III”, he went five rounds with Thian de Vries for the Enfusion Cruiserweight Championship at Enfusion 158 on March 28, 2026, losing by decision.
This will be a real high-stakes dogfight—and a serious challenge for Francis Rozentals—so cop your tickets and tune in!