Have you ever been injured rolling? Ever had surgery as a result of BJJ Related damage? The Bulletproof boys have establish the most common sites of injury affecting the BJJ community.
1.) Knee  2.) Ankle  3.) Elbow. 
They dig into the many contributing factors as to Why these are the places that take the most damage. Discussing what you can do to make your body more robust and more structurally sound to limit this wear & tear. But let's not kid ourselves- injury in BJJ is inevitable. So when injury does strike JT & Joey talk you through the processes you need to follow to return to the mats ready to rumble.