One
Championship
has finalized the five-fight lineup for “The Inner
Circle 37,” headlined by a lightweight mixed martial arts title
bout between Christian
Lee
and Tye Ruotolo
on Nov. 6 at Lumpinee Stadium in Bangkok.

Lee will defend his One lightweight championship against Ruotolo,
the reigning One welterweight submission grappling champion, who
will make his third professional MMA appearance.

Christian Lee defends ONE lightweight MMA championship against
Tye Ruotolo at The Inner Circle 37

Lee (18-4) is coming off a second-round technical knockout victory
over Alibeg
Rasulov
at One 173 in November 2025. The two-division champion
has earned 17 of his 18 victories by stoppage.

Ruotolo (2-0) will attempt to capture an MMA championship after
submission wins over Adrian Lee
and Shozo
Isojima
. The 23-year-old now faces a significant step up in
competition against the lightweight titleholder.

The co-main event features a bantamweight muay thai rematch between
Komawut FA
Group
and Yodphupa Petkiatpet.

Three additional muay thai bouts complete the lineup. Kongchai
Chanaidonmueang
faces Tantawy Ahmed at flyweight, while New
Zealand’s Titus Proctor meets Maciej Karpinski at lightweight. Cal
Cook and
Dabdam Por Tor Tor Thongtawee
will compete at strawweight.