Even Ray Lewis seemed untroubled by the possible departure of Marvin Lewis, the 42-year-old defensive guru.

He was considered a defensive guru for having invented the 4-3 alignment as a defensive back and player-coach for the Giants.

On television, Hubie Brown, the former Knick coach and a color commentator, called Jackson "a defensive guru."

Coach Jacques Lemaire is a defensive guru.

Those two have been branded defensive gurus, much as Billick made his name as an offensive mastermind.

As the defensive guru, Iavaroni is tasked with coming up with a plan.

Was he stereotyped as a defensive guru who would be too conservative offensively?

What no defensive guru can account for, however, is Manning's desire to win.

Dungy is a defensive guru and while defensive coordinator with Minnesota, his defenses frequently kept Sanders in check.

Parcells made his mark as a defensive guru.