WATCH: Liam Harrison shows his old friend Andy Howson who’s boss with cheeky leg sweep in training camp

Liam Harrison is as unforgiving as he is entertaining.

A veteran of more than a hundred fights, Harrison isn't someone to be trifled with even in training.

Harrison is neck deep into his training camp for his all-legends clash against Thai icon Seksan at ONE 168: Denver, and he showed his old friend Andy Howson who's boss during one of their gym sessions.

Howson, who has 81 professional career wins, tried to knee Hrrison in the stomach, but 'Hitman' was one step ahead of his training partner.

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Liam Harrison wrote of his cheeky leg sweep on Instagram:

"With a combined record of nearly 200 fights and a combined age of 163 @andybadco1 should know better than trying to left knee me #muaythai"

Harrison and Howson have been training with each other since they began their professional careers, and that partnership led to more than 170 wins between them.

Howson, though, already retired from competition, with his final fight taking place at ONE: Warrior's Code in February 2020.

Harrison, meanwhile, prepares for what could be the final fights of his career.

The multi-time Muay Thai world champion will finally trade limb and leather with Seksan on September 6, US primetime, at Ball Arena in Denver, Colorado.

Tickets for ONE 168: Denver are available at Ticketmaster.

Liam Harrison says he's not interested in capturing world titles at this point in his career

Liam Harrison's legacy is practically set in stone, and he doesn't need any more gold to add to his overflowing trophy cabinet.

The British Muay Thai icon won world titles under WBC Muay Thai and WMC, with 90 victories in his professional career.

In an interview with the Sky Sports MMA podcast on Spotify, Harrison said he's not interested in winning world titles and won't return to competition once he settles into retirement.

He said:

"I'm not interested in belts anymore at this stage of my career. I'm interested in coming back and enjoying the last year of my fighting. No pressure."