The great return of the bare-knuckle fighting champion. Watch the DON DIEGO preview for GROMDA 26

At GROMDA 26, we’ll see another title defense by Mateusz “Don Diego” Kubiszyn.

Mateusz “DON DIEGO” Kubiszyn, the undefeated champion with a flawless and perfect 10-0 bare-knuckle fighting record, is officially returning to his roots. All combat sports fans and GROMDY supporters have been eagerly awaiting this moment. This marks the return to the top of a man who has proven himself to be the world’s best bare-knuckle fighter in the global ring.

Watch LIVE on GROMDA.tv. Tickets available on eBilet. Please note: A limited number of tickets are available.

GROMDA 26: The Great Comeback of the GROMDA Champion

Mythological monsters. Sirens luring with their false glow and a Cyclops feeding on cheap sensationalism. Odysseus had to go through a hell of oddities to understand where he belonged.

A true warrior never fights for cheap applause and empty fame. He fights because he loves it. He can be thrown into the mud and made to wander among the clowns. But if the blood of a champion flows through his veins, honor will always show him the way back. Every king eventually returns home—to his land, where he belongs. The GROMDY champion, DON DIEGO, has returned.

There is no artificial glamour surrounding Kubiszyn, because his worth is defined by his actions. Outside the brutal, bloody ring, he isa brave firefighter and a certified paramedic who, day in and day out, risks his own life without hesitation to save others. Modest, hardworking, and always true to his principles—“DON DIEGO” is the epitome of a true athlete, a gentleman, and a man of steel. He doesn’t seek cheap applause or online hype. When others are shouting, he simply does his job.

In his most recent title defense at GROMDA 20, he masterfully crushed and demolished the formidable Jakub “SŁOMKA” Słomka, cementing his status as an indestructible champion with the blood of a true master flowing through his veins.

A Journey Full of Blood, Honor, and Character

“DON DIEGO’s” journey to the very top is a story written with grit and raw power. Fans vividly remember the legendary GROMDA 2 tournament, in which Kubiszyn triumphed, battling his way through a veritable hell of freaks and giants:

• A hellish finale against “TYSON” —one of the most iconic and devastating fights in history, in which “DON DIEGO” spectacularly knocked out Krystian Kuźma.
• The Fight Against “VASYL” – a brutal, high-intensity bout against Ukrainian fighter Vasyl Halych, considered a technical masterpiece and one of the best fights in the organization’s history.
• The Battle with “BALBOA” – an epic clash of titans at GROMDA 13, where Kubiszyn proved that in a small 4×4-meter ring, he is second to none.

This is pure, rawPOLISH STRENGTH at its finest! “DON DIEGO” proved his superiority where only blood, fists, and a will of steel matter. Every king eventually returns home—to his own land, where he belongs.

Source: press release.