Russian fighter Mark Vologdin, 25, will make his UFC debut against veteran John Castaneda. Vologdin earned his contract after an impressive losing performance on Dana White's Contender Series in October, where both he and winner Adrian Luna Martinetti received contracts due to the exciting nature of the fight. Vologdin holds a 12-4-1 record with 6 knockouts and 4 submissions, representing Petrozavodsk, Karelia. He is a master of sport in Kyokushin karate. His opponent Castaneda has a 4-4 UFC record and last fought a year ago, losing to Chris Gutierrez by split decision.
Mark Vologdin, a 25-year-old Russian fighter from Petrozavodsk, Karelia, is set to make his UFC debut opposite bantamweight veteran John Castaneda, the promotion announced ahead of an upcoming event.

Vologdin enters the octagon with a 12-4-1 professional record that includes six knockouts and four submission victories. He earned his UFC contract in October on Dana White's Contender Series despite falling to Adrian Luna Martinetti, with the fight's entertaining quality prompting the promotion to hand contracts to both men. A master of sport in Kyokushin karate, Vologdin brings a striking-based martial arts foundation to complement his well-rounded finishing record.
Castaneda, nicknamed "Sexi Mexi," is a 34-year-old American fighter out of The Academy who carries a 21-8-1 professional mark into the bout and has gone 4-4 inside the UFC. The switch-stance veteran stands five-foot-six with a notably long 71-inch reach and lands 4.42 significant strikes per minute at 50 percent accuracy. He also generates 1.68 takedown attempts per 15 minutes, giving him credible threat potential on the feet and on the mat alike. Castaneda last competed roughly a year ago, dropping a split decision to Chris Gutierrez in his most recent outing.

Why it matters
- Vologdin's debut pits a finishing-oriented newcomer against an experienced UFC gatekeeper with a proven octagon track record
- A win for Vologdin would immediately establish him in the bantamweight picture; a win for Castaneda would push him back toward the positive side of his UFC ledger
- The stylistic contrast is sharp — Vologdin's Kyokushin karate base meeting Castaneda's switch-stance striking and active takedown game







