FIGHTSPLIT
UFC

Prochazka vs. Stirling Headlines UFC Qatar as Perfect 11-0 Prospect Steps Up

Jiri Prochazka (32-6-1) tries to bounce back in Doha on Nov. 21 against undefeated Navajo Stirling, 6-0 in the octagon with three KOs this year.

By FightSplit Editorial Team · Published Sep 29, 2026

Jiri Prochazka in the octagon during a UFC light heavyweight bout
FightSplit

Jiri Prochazka is back, and the UFC is handing him a test that looks more like a gatekeeping assignment than a favor. The former light heavyweight champion (32-6-1) headlines UFC's Doha card on Nov. 21 against Navajo Stirling, a 11-0 prospect who's gone a perfect 6-0 inside the octagon and hasn't slowed down once since arriving.

Stirling has fought three times in 2025 alone, and all three ended by knockout — over Bruno Lopes, Ion Cutelaba, and, most eye-catching of all, former 205-pound champ Jan Blachowicz. That's the kind of résumé that earns a headline slot fast. For Prochazka, it's a chance to reset after April's title loss to Carlos Ulberg, a fight where he had his opponent hurt before eating a first-round knockout of his own.

Prochazka's Odd Career Ledger

Here's the quirk worth noting: Prochazka has never lost a non-title fight in the UFC. Every one of his promotional defeats has come with gold on the line — the two losses to Alex Pereira and now Ulberg. Pereira, currently ranked #3 at light heavyweight with an 11-KO résumé of his own, is off doing his own thing after a recent KO loss to Ciryl Gane. Prochazka, meanwhile, gets to prove whether that non-title invincibility still holds against a rising finisher.

The co-headline scene is stacked with names too. Ex-bantamweight titleholder Aljamain Sterling (26-5, eight of those wins by submission) steps up to featherweight to face rising prospect Kevin Vallejos. Sterling's grappling has always been the great equalizer, and a matchup against an unproven climber fits the pattern of a former champ looking to build momentum in a new weight class.

A Lightweight Grudge and Quick Turnarounds

Brian Ortega returns as well, sharing the card with Dan Hooker in a lightweight scrap. Ortega (16-5, ranked #11 at featherweight) hasn't fought since pulling out of a Renato Moicano booking over a cut above his eye. Hooker, for his part, is on a fast turnaround — he's coming off a first-round knockout loss to Salahdine Parnasse earlier this month.

Ten fights are official for Doha, but the top of the card tells the story. A former champ trying to remember what non-title dominance feels like, an unbeaten wrecking ball with everything to gain, and a couple of familiar veterans testing whether they've got another run left. Nov. 21 will sort out who's still climbing and who's just holding on.

Related / UFC