Brendan Allen All In

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Fighter bio

Brendan Allen – General Profile

Brendan Allen, also known as "All In," is an American mixed martial artist competing in the UFC’s middleweight division. Born on December 28, 1995, he fights out of Kill Cliff FC and is known for his elite submission game, solid striking, and high fight IQ. Standing at 6'2" with a 75″ reach, Allen is regarded as one of the most well-rounded and dangerous middleweights in the UFC.

MMA Career

Allen turned professional in 2015 and joined the UFC in 2019. He climbed the ranks quickly with a string of submission victories over notable opponents like Krzysztof Jotko, Andre Muniz, Bruno Silva, and Paul Craig. In recent years, he has continued to deliver memorable performances, including a Fight of the Night against Marvin Vettori in 2025 and multiple Performance of the Night bonuses.

Fighting Style

He is a submission specialist with a high finishing rate, particularly via rear-naked choke. Allen possesses a refined wrestling base, strong grappling transitions, and improving striking that makes him dangerous both standing and on the mat. His mental composure and ability to adapt mid-fight further enhance his effectiveness in the Octagon.

Recent Developments

As of mid-2025, Allen has achieved a ranked position (#9) in the middleweight division. Notably, he defeated Marvin Vettori in a high-profile bout at UFC 318, earning Fight of the Night honors. Despite some recent losses, Allen remains a top contender with title aspirations, backed by a résumé of consistent finishes and tactical growth.