Fast facts
- Division: Flyweight (UFC)
- Record: 10-2 (per Cagefile data)
- Nationality: English
- Team/gym: Great Britain Top Team, London
- Notable wins: Brandon Moreno (unanimous decision, UFC Fight Night 268), Brandon Royval (rear-naked choke, Round 3, UFC 329), An Tuan Ho (KO, Round 1, Dana White’s Contender Series)
His mother picked the name. Lone’er is Chinese in origin, and it translates to “Dragon Son,” which is a lot to hand a kid. Then the kid grows up and starts beating former UFC champions in main events.
Lone’er Kavanagh was born on June 9, 1999, to a Chinese mother and an Irish father. His father died when Lone’er was six years old. He grew up to be an Englishman through and through, lives in London, and trains out of Great Britain Top Team in the city. On Oct. 24 he fights Ramazonbek Temirov at UFC 333, on a card topped by Alexander Volkanovski vs. Movsar Evloev, and ESPN ran a piece this week asking whether a breakout win there could push him into the flyweight title picture.
Getting to that question took a while.
The trainer who became the fighter
Kavanagh didn’t take the shortcut. He earned a degree in sports science and worked as a coach and personal trainer, which means he spent real time on the other side of the session, building other people up before anyone was paying to watch him. I love that detail, because flyweight rewards guys who understand bodies, pacing and energy systems at a level that borders on nerdy, and Kavanagh literally studied it.
His pro career found its footing at Cage Warriors, the British proving ground that has fed the UFC for years. He debuted for the promotion at Cage Warriors 134 in March 2022 and finished Ryan Morgan with punches in Round 3. Four months later at Cage Warriors 141 he went the distance with Ander Sanchez and took a unanimous decision.
Then came the one people still clip. At Cage Warriors 150 in March 2023, Kavanagh dropped Davide Scarano with a spinning back kick in Round 3 and finished him with punches for the TKO. A spinning back kick in the third round, when legs are heavy and most flyweights are just trying to win exchanges, takes nerve. He closed his Cage Warriors run at Cage Warriors 169 in London in March 2024 with a unanimous decision over Shawn Marcos da Silva, which made him 6-0 as a pro.
One round on Tuesday night
Dana White’s Contender Series is my favorite room in the building, and Kavanagh got the best seat in it. He was booked in the opening fight of Season 8, Week 1, on Aug. 13, 2024, against An Tuan Ho, another unbeaten prospect. Two zeros, one of them about to go.
Kavanagh knocked Ho out in Round 1 and walked away with a UFC contract from Dana White. Opening the season with a first-round KO of a fellow undefeated fighter is about as clean an audition as that show produces.
He debuted in the UFC on Nov. 23, 2024, at UFC Fight Night 248 and beat Jose Ochoa by unanimous decision. On March 22, 2025, at UFC Fight Night 255, he did the same to Felipe dos Santos. Two wins, two decisions, steady work.
The night it went wrong
On Aug. 23, 2025, at UFC Fight Night 257, Charles Johnson knocked Kavanagh out in Round 2. It was the first loss of his professional career.
Plenty of prospects stall after the first knockout loss. The question with any young fighter is what the next camp looks like, and with Kavanagh we got the answer in the most dramatic way the matchmakers could arrange.
Moreno, on short notice, in the main event
Kavanagh was supposed to fight Bruno Silva at UFC Fight Night 269. Then Asu Almabayev got hurt, and the UFC needed someone to face Brandon Moreno, the former two-time flyweight champion, in the main event of UFC Fight Night 268 on Feb. 28, 2026. They pulled Kavanagh off the Silva fight and gave him the slot.
Think about the ask. You are six months removed from getting knocked out, you were preparing for one opponent, and now you’re headlining against one of the most decorated flyweights the promotion has ever had.
Kavanagh won a unanimous decision. Cageside Press described it as an upset loss for Moreno, and the performance earned Kavanagh his first $100,000 Performance of the Night bonus. Moreno has since rebounded with a split decision over Joseph Morales at Noche UFC in September, and he currently sits No. 8 in the USA TODAY Sports/MMA Junkie flyweight rankings, so this wasn’t a faded name Kavanagh caught on the way out.
Royval, and the choke
If the Moreno fight was the statement, the Brandon Royval fight was the proof. They met at UFC 329 on July 11, 2026, and Kavanagh submitted Royval with a rear-naked choke in Round 3. That one paid him another $100,000, this time for Fight of the Night.
Look at how he wins across the whole résumé: punches, a spinning back kick, decisions over solid opposition, and now a third-round choke on one of the division’s most dangerous scramblers. Several of his finishes have come late, in Round 3, which tells me he’s comfortable in deep water and doesn’t panic when a fight drags. Every flyweight claims cardio. Kavanagh’s record shows it.
After Royval, Wikipedia listed him at No. 6 in the Meta UFC flyweight rankings as of July 11. Knockout Daily’s Cagefile board, updated Oct. 14, has him at No. 9.
What’s next
Temirov at UFC 333 on Oct. 24. (Some listings spell the first name Ramazan; the Cagefile data has Ramazonbek.) ESPN’s framing of the fight is that the flyweight division is hot again, and that Kavanagh could be its next star with a breakout performance. That’s a fair read. He has a former two-time champ and Royval on his ledger within five months, plus two bonuses, and a loss to Temirov would cost him most of that momentum.
There’s a side plot worth tracking, too. The two names that bookend Kavanagh’s rough patch and his rise are about to meet each other. Moreno (24-10-2) faces Charles Johnson (20-9) at UFC 335 at T-Mobile Arena in Las Vegas on Dec. 12, a booking first reported by MMA Fighting. Johnson, the only man on this list to stop Kavanagh, is coming off a twister submission of Eduardo Henrique at UFC 330 in August, a rally that came after Henrique hit him with an illegal knee.
So here’s my take. Beat Temirov on Oct. 24, then sit cageside in December and watch the man who knocked you out fight the man you beat in a main event. Whoever wins that one will have to hear Kavanagh’s name in every flyweight conversation that follows.
