Combat Night Crew with Chris"Retro Grappler"Smart

We sit down with the Don of drip and founder of Retro Grappler, he's the showrunner at Combat Night, the Chairman of The Josh Samman Foundation, freshly minted author of "The A,B,C's of Jiu Jitsu" (and CrossFit) and one of the biggest supporters of the Martial Arts community. You may know him simply as "Retro" but his name is Christopher Smart.