The men who play the toughest position in sports come clean- talking about themselves, each other and what it's like to line up over center each week in the National Football League.

The world of pro football is a game that is often seen but the sounds of the game are what truly reveal the intensity of the conflict. When the audio is combined with the visual of the NFL, the results reveal a world that fans have witnessed but few have ever heard or understood. A pioneer in wireless microphones and location sound for over 25 years, NFL Films has been specializing in uncovering ...