​Brendan Allen turned back another middleweight on the rise at UFC Fight Night 290 when he stopped the streak of Christian Leroy Duncan.Allen (28-7 MMA, 16-4 UFC) pushed his own run of consecutive victories to four on Saturday at Meta APEX in Las Vegas with a fifth-round submission triumph over Duncan (15-3 MMA, 8-3 UFC), and now should be in position to get a forward-moving opportunity in the middleweight division.Check below for the top X (formerly Twitter) reactions to Allen beating Duncan at UFC Fight Night 290.The #UFCVegas122 headliners have arrived 📍@BrendanAllenMMA vs Christian Leroy Duncan[ LIVE NOW on @ParamountPlus ] pic.twitter.com/E22T8kG4yR— UFC (@ufc) October 11, 2026The calm before the storm ⚡️👊#UFCVegas122 | We are LIVE | 🇦🇺 Paramount+ | 🇳🇿 TVNZ+ pic.twitter.com/j936B6NUg6— UFC_AUSNZ (@UFC_AUSNZ) October 11, 2026It’s main event time! 👊All-In versus CLD! Who takes the win in our #UFCVegas122 main event? pic.twitter.com/AjsalV9gVY— UFC_Asia (@UFC_Asia) October 11, 2026CLD’s signature move 🌪️[ #UFCVegas122 | LIVE on @ParamountPlus ] pic.twitter.com/Q0j7RAyCjT— UFC on Paramount+ (@UFConParamount) October 11, 2026What was a hectic opening round. Both took some incredible shots. Very close fight. #UFCVegas122— Korean John (@KoreanJohn_) October 11, 2026clubbing elbows from CLD. Allen had some success early with the takedown, but feels like CLD took it all away with that final minute or so. That’s if they’re scoring damage tonight.— caposa (@Grabaka_Hitman) October 11, 202610-9 Duncan in R1— Aaron Bronsteter (@aaronbronsteter) October 11, 2026Marc Goddard takes a point from CLD for the eye poke 👀[ #UFCVegas122 | LIVE on @ParamountPlus ] pic.twitter.com/5vVpdTwt2O— UFC on Paramount+ (@UFConParamount) October 11, 2026Marc Goddard deducts a point from CLD after an eye poke early in R2. Allen had complained about fingers between rounds. Second point deduction in a fight tonight. #UFCVegas122— Cageside Press (@Cagesidepress) October 11, 202610-8 Allen with the point deduction #ufc— Julian marquez (@JMarquezMMA) October 11, 2026As I said in my breakdown, CLD’s propensity to clinch and exposure his back is killing his on success against Allen.Good ole effective grappling there. #UFCVegas122— Dan Tom (@DanTomMMA) October 11, 2026CLD all time low fight IQ. Like what are you doing. How are you ranked #10 and have zero fight awareness.— Daniel Rubenstein (@dannyrube) October 11, 2026Lets go allen— Damian The BabaYaga Pinas (@PinasDamian1) October 11, 2026I have it 29-27 Allen heading into the championship roundsDuncan may need a finish— Aaron Bronsteter (@aaronbronsteter) October 11, 2026Brendan gave away the fourth. 2-2 when he had it in the bag until he took the 4th off— Josh Thomson (@THEREALPUNK) October 11, 2026I have it 38-37 Allen heading into the final round— Aaron Bronsteter (@aaronbronsteter) October 11, 2026THAT’S WHAT HE DOES BEST 💪@BrendanAllenMMA sinks in ANOTHER RN