That roving mark is one Williams has long contended is a critical battlefield in football. The unit that controls it the most has the best chance of moving the football or thwarting said movement.
And while the Saints might not have the kind of gaudy stack stats put up by some defensive lines, they are dominating the space right behind the center and guards, which bottles up the quarterback and is the first domino in terms of stuffing the run.
But it's not a spot the television camera or average fan pay much attention to, and thus the success the Saints have had - they are currently ranked third in the NFL in passing defense - is more subtle, Williams said.
New Orleans Saints defensive coordinator Gregg Williams eyes his prize: 1-yard behind the center | NOLA.com