FIGHTSPLIT
UFC

Brendan Allen Meets Rising Christian Leroy Duncan in UFC Vegas 122 Main Event

Allen (27-7) rides a three-fight run into an Oct. 10 headliner against Duncan, who's gone 5-0 in his last five UFC outings.

By FightSplit Editorial Team · Published Sep 1, 2026

Brendan Allen lands a punch during a UFC middleweight bout
FightSplit

The UFC's middleweight logjam gets a stress test on Oct. 10, when Brendan Allen and Christian Leroy Duncan headline UFC Vegas 122 at the Meta Apex. The promotion made it official Tuesday: two guys on hot streaks, one main event, plenty on the line for the 185-pound picture.

Allen sits at #4 in the division on the back of a 27-7 record and three straight wins, the most notable of which was an upset over Reinier de Ridder in a Vancouver main event. His most recent outing was a unanimous decision over Edmen Shahbazyan this past June. What jumps off Allen's résumé is the submission count — 14 of his 27 wins come by tap, against just six knockouts. He's a grappler first, and a dangerous one.

Duncan's Quiet Climb

Duncan, ranked #10, is the more overlooked half of this booking, and that's a mistake. The former Cage Warriors middleweight champ opened his UFC run 3-2 before flipping the switch entirely — he's now 5-0 across his last five, mixing decision wins over veterans Jared Cannonier and Roman Dolidze with knockouts of Eryk Anders and Marco Tulio.

His 15-2 record leans hard on power: 10 of those wins are knockouts. That's the natural tension in this fight. Allen wants it on the mat and around your neck; Duncan wants it standing, where his hands do the talking. Whoever imposes their game plan probably wins.

Stakes at 185

This one matters because the middleweight top five is crowded. Caio Borralho, sitting at #5 with an 18-2 mark, is publicly angling for a title shot and reckons he's a win or two away. A statement from Allen keeps him in that conversation; a win from Duncan drags him straight into it.

The rest of the Oct. 10 card is still being assembled, with more bouts expected in the coming weeks. For now, the headliner does its job — two live streaks, two contrasting styles, and a division that badly needs somebody to separate from the pack.

Brendan AllenChristian Leroy DuncanUFC Vegas 122Middleweight

Related / UFC