Reinier de Ridder rips training at former gym after move to ATT

Reinier

de Ridder has changed camps ahead of his permanent move up to

light heavyweight in the

Ultimate Fighting Championship .

The Dutchman is scheduled to take on Roman

Dolidze at 205 pounds next, on Aug. 22 at Golden 1 Center in

Sacramento, California. He recently revealed that he has parted

ways with

Kill Cliff FC and joined another Florida gym,

American Top Team , ahead of his UFC light heavyweight

debut. Reinier de Ridder explains why he left Kill Cliff FC for

American Top Team

The former One

Championship two-division titleholder explains that while he

really enjoyed the atmosphere at Kill Cliff FC, the level of

training has allegedly not been up to mark in the last couple of

months. One of de Ridder’s favorite coaches, Aung La N

Sang , recently opened his own gym, which limited his time at

Kill Cliff FC.

He also claims that head coach Henri Hooft has not been around much

over the last couple of months due to personal reasons and that

many top fighters allegedly left Kill Cliff FC as the level of

training declined.

“I did switch up my camp,” de Ridder told Full Mount MMA. “So, I’ve

been at ATT this camp, which is a big change. I’ve been able to

work with a lot of high-level guys, which is cool - coaches and

training partners… Some stuff was just not good at Kill Cliff the

last six months. Henri had some personal stuff. He had been out of

the gym for a couple of months. And Aung La, my guy I like to work

with a lot, he opened his own gym. So, he hadn’t been at Kill Cliff

much. And a lot of big guys left because just the content of the

classes was not that good. So, it was time to make a change,

unfortunately. Cause I really liked them, really liked the

atmosphere, liked everything there.”

After getting off to a sensational start in the UFC, going 4-0 with

wins over Bo Nickal and

Robert

Whittaker , de Ridder (21-4) suffered consecutive losses to

Brendan

Allen and Caio

Borralho , prompting the move up to light heavyweight. He’s

looking to return to winning ways at

UFC Sacramento . 🚨🤔 Reinier De Ridder says he no

longer trains at KillCliff and moved to rival gym ATT: "Some stuff just was not good at Killcliff in the last 6 months.

Henry and some personal stuff. He'd been out of the gym for pretty

long time."

via @MMAFullMount pic.twitter.com/ikmFEqyIFi —

Full Mount MMA (@MMAFullMount)

August 8, 2026

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