The Falcons, under the coordinator Mike Nolan, are not pushovers on defense.
New Orleans' new defense under the coordinator Rob Ryan thrived, sacking Matt Flynn five times in the first half.
The Giants' defense, playing its first game under the coordinator Steve Spagnuolo, struggled mightily against the Cowboys.
The Bengals defense was ranked in the top 10 last year under defensive coordinator Mike Zimmer.
And the returning starter at quarterback, John Brantley, who could take a big step forward under a coordinator like Weis.
And while the offense certainly was impressive, Baltimore's defense also excelled in its first game under the coordinator Dean Pees.
That is the beauty of Kaepernick and this 49ers' offense under the coordinator Greg Roman: the myriad ways that it can move the ball and score.
Under previous coordinator Mike Mularkey, the Falcons spent a lot of time in heavy base personnel (multiple tight ends, multiple backs in the backfield).
Although Baltmore did make some changes to their offensive line personnel, they hope to make greater gains simply through the introduction of different schemes under new coordinator Gary Kubiak.
Redskins Coach Steve Spurrier is changing quarterbacks every other week (Shane Matthews gets the start this week) and the defense, under the coordinator Marvin Lewis, has been a disappointment.
