Hard Knocks: Training Camp with the Oakland Raiders gives an unfiltered all-access look at what it takes to make it in the National Football League.The 14th edition of the 18-time Sports Emmy Award winning series will follow head coach Jon Gruden leading a mix of established veterans, free-agent additions and highly regarded rookie hopefuls throughout the training camp and the preseason.

Source:: https://www.hbo.com/hard-knocks