"Start a long hard fight camp" - Jonathan Haggerty turns on his kill switch, heads to Koh Samui for training camp ahead of ONE 168

ONE Championship will return to the United States with ONE 168: Denver on Sept. 6 inside the Ball Arena in Denver, Colorado which will see two-sport star Jonathan Haggerty in one of the featured fights.

The reigning ONE bantamweight Muay Thai and kickboxing world champion will have the second defense of his Muay Thai world title against ONE flyweight kickboxing world champ Superlek Kiatmoo9.

With the event about six months away from happening, 'The General' is already in Thailand and graced ONE 167 last Friday, June 7, but knows it is now time to lock in for his fight.

Haggerty shared the following on Instagram:

"It's been amazing watching the build up to @onechampionship 167 out here in Thailand. Now it's time to head to [Koh] [S]amui and start a long hard fight camp for my upcoming fight in Denver Colorado 🔥#Andstill #undisputed"

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ONE Championship fans last saw Haggerty take to the Circle this past February when he produced a come-from-behind third-round TKO victory against Felipe Lobo.

Haggerty's record currently stands at 8-2 and is on a six-fight winning streak with his last three wins coming via a finish.

ONE Muay Thai megastar predicts outcome of Jonathan Haggerty vs. Superlek mega-fight

Seeing Jonathan Haggerty and Superlek share the Circle is a once-in-a-lifetime event and fans and fighters alike are sharing their early predictions for it.

ONE flyweight Muay Thai world champion Rodtang Jitmuangnon shared his thoughts on the contest and revealed his pick in a recent interview with the South China Morning Post.

'The Iron Man' stated:

"I also think this would be close, too. Both have knockout power but we will need to see in the ring who will win. But, I know, for sure, there would be a knockout."

Tickets for ONE 168 are currently available via Ticketmaster.