Flyweight Muay Thai clash between knockout artists Sean Climaco and Johan Estupinan added to ONE 168: Denver

A pair of flyweight Muay Thai rising stars will get a massive opportunity to reach the next level in the promotion's United States return at ONE 168: Denver.

There will certainly be no shortage of action in ONE's blockbuster card at Ball Arena on September 6, as high-octane strikers Sean Climaco and Johan Estupinan have been added to one of the biggest martial arts spectacles of the year.

Climaco certainly didn't waste time leaving quite the impression in his first foray into the world's largest martial arts organization last May.

After three consecutive knockouts in the Road To ONE series, the Filipino-American showcased his dynamite hands on the world stage with a first-round KO of Josue Cruz at ONE Fight Night 22.

Now, 'The One' wants to move up the stacked 135-pound flyweight rankings by halting a massive hype train in its tracks.

There's a reason Johan 'Panda Kick' Estupinan is one of the most highly-touted prospects in the promotion.

Undefeated in 24 career bouts, the flashy yet highly efficient striker from Columbia is an athletic marvel who can throw concussive shots from almost every angle.

Estupinan wowed with a 27-second knockout of Kouta Omori at ONE Friday Fights 64 last May.

The 21-year-old phenom also proved he can win the fight inside the distance, outclassing Zafer Sayik after three rounds at ONE 167 last June.

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ONE 168 is every martial arts fan's dream card

Following the rousing success of ONE Fight Night 10 last year, the home of martial arts made sure to return to America with a bang with the best athletes in MMA, Muay Thai, kickboxing, and submission grappling.

Jonathan Haggerty and Superlek Kiatmoo9, considered two of the pound-for-pound best strikers in the world, will vie for the bantamweight Muay Thai crown.

Elsewhere, grappling savants Kade Ruotolo and Mikey Musumeci will figure in a dream fight for the lightweight submission grappling world title.

Fan favorites Liam Harrison, Seksan Or Kwanmuang, Aung La N Sang, Johan Ghazali, and Adrian Lee, among others, are all booked to fight in this stellar event.

Follow this link for the confirmed fights of this ultra-stacked card.

Tickets for ONE 168: Denver are available via Ticketmaster