Listen to this episode from The Joe Rogan Experience on Spotify. Joe is joined by retired mixed martial artists Matt Serra, Din Thomas & John Rallo. Matt is the co-host of the "UFC Unfiltered" podcast with Jim Norton, and founder and lead instructor of Serra BJJ. Din is the co-host of "After TUF" and host of the "Din's Got Answers" podcast. John is the owner and head coach at Ground Control mixed martial arts academy in Baltimore.  www.serrabjj.com www.ufc.com/athlete/din-thomas https://www.groundcontrolbaltimore.com/