’s Kristen Haunss reported today about slick Wall Street types taking part in a mixed martial arts Fight Club scene at Manhattan’s Renzo Gracie Academy.

“We get a lot of finance guys,” says RGAA’s program director Max McGarr. “It’s a good release from their job. If you lost hundreds of thousands of dollars, it’s good to come here and get it out.” Richard Byrne, CEO of Deutsche Bank Securities who practices jiu-jitsu and sparring at the club, calls it “a great stress reliever…talk about a great way to get aggression out, and it’s an unbelievable workout.”

Mixed martial arts is described as “a contact sport combining aspects of wrestling, Brazilian jiu-jitsu, grappling, ground fighting, muay thai and other techniques.”