Credit to our brothers in arms FloCombat for interviewing Antonio Carlos Jr. (aka "Cara de Sapato," meaning "Shoeface") after his impressive flying triangle finish of Garry Tonon last weekend at Submission Underground 3 in Portland, Oregon. 

Not only did the Brazilian black belt submit one of the most dangerous grapplers in shocking fashion, but Carlos also issued a direct challenge to the best of the best. 

"I will compete against anybody. Nobody is safe," he told FloCombat. "On my best day, I can beat anybody in the world. A lot of high-level grapplers only want to compete against MMA guys in grappling. They should be ashamed of themselves. They know most MMA guys aren't that good at grappling." 


Antonio Carlos Jr. locks in the triangle on Garry Tonon. Photo by Joseph Weiser-USA TODAY Sports

Cara de Sapato was a well-known jiu-jitsu competitor before he made the switch to MMA. He has wins over Bernardo Faria, Leandro Lo and Romulo Barral. 

He went on to win "The Ultimate Fighter: Brazil Season 3" and has had seven fights in the UFC since 2014. 

Carlos was a late replacement for Hector Lombard at SUG 3, and even though he hadn't competed in pure grappling for a while, the layoff didn't seem to faze him. 

I will grapple against anybody in the world and I will fight anybody in the world," Carlos said. "Luke Rockhold, [Michael] Bisping, Jon Jones -- we can grapple at SUG or we can fight it the UFC. Gordon Ryan, Keenan Cornelius, whoever, we can grapple or we can fight. Pick your poison.

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Catch up open the action from Submission Underground 3
• Watch Garry Tonon vs Antonio Carlos Jr. 
• Watch Dillon Danis vs AJ Agazarm 
• Watch Jeff Glover vs Chad Mendes 
• Watch Gordon Ryan vs Joe Baize 

Watch the full event replay of Submission Underground 3