Adrian Lee will soon make his professional MMA debut in ONE Championship. And he’s ready to continue his family’s legacy of winning. The youngest of the famed Lee family is set to compete in a lightweight bout against Australia’s Antonio Mammarella at ONE 167: Stamp vs Zamboanga. The fight will take place on Friday, June 7, which is set to take place inside the Impact Arena in Bangkok, Thailand.

At only 18 years old, Lee has already claimed multiple amateur titles across various martial arts disciplines. Now, he is excited to take what his brother, ONE Lightweight and Welterweight MMA World Champion Christian Lee, has taught him to the global stage.

Adrian Lee is focused on replicating his siblings’ success

Lee’s siblings all started their professional careers in ONE as teenagers, and they have been a picture of excellence throughout their runs. “Me and my brother spent all our time at the gym working hard, and, you know, we strive to come out better from this,” he told KHON2 in an interview.  

His older sister, Angela, became the inaugural ONE Women’s Atomweight MMA World Champion at 19 years old. Moreover, she held onto the belt until her retirement late last year. 

Meanwhile, Christian debuted at 17 and went on to claim the lightweight MMA crown for the first time four years later before becoming the welterweight titleholder in his last bout in November 2022.

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Adrian Lee reveals key advice before debut

In 2021, Lee’s sister Victoria made her promotional debut at 17 and finished all three of her opponents in dominant fashion. She took a step back from competing to focus on school a year later, and she tragically passed away in late 2022.

Understanding the experience his siblings have had, ONE’s latest signing wisely sought guidance from them. In his interview, he shared a valuable lesson his brother offered ahead of his ONE Championship debut.

“One piece of advice that I’ve always gotten is to stay focused, you know? There’s going to be a lot of distractions but I’m just going to stay focused on the fight,” Lee said. In a few weeks, he battles another promotional newcomer in Mammarella. The Aussie star is only 1-0 in his professional slate, but he enjoyed an impressive run as an amateur.

The thought of debuting on such a grand stage may be intimidating to some fighters, but Lee is simply excited to bring the fire his family has become famous for in ONE Championship.

“I describe my siblings and me as finishers, you know. We go in there with purpose, and we try to get it done as fast as possible,” he said. Are you excited about his debut? Let us know in the comments below.