HBO’s Hard Knocks  comes out August 6, but the sports world just received an early preview of how charismatic Jon Gruden is behind the scenes.

It’s usually a great source for entertainment, but it also shows an inside look at how NFL franchises operate on a daily basis.


RELATED: Jeff Fisher Has Some Advice for Jon Gruden on Franchise Moves

The Oakland Raiders are under the HBO lights for this offseason, and it seems like we’re going to get plenty of sound bites from their head coach.

Flip the Page to See the Preview: