The Seahawks do not have a good defense.



This is concerning because defense is supposed to be Pete Carroll’s specialty and because a team with a bad defense is doomed come playoff time, even with an MVP-caliber quarterback.



After Seattle faces the undefeated San Francisco 49ers on “Monday Night Football,” the Seahawks will have a bye, which they will probably use to do some soul-searching in order to fix the defensive side of the ball.



Let’s do it one week early and see if we can diagnose what’s truly ailing a Seahawks defense that ranks in the bottom third in yards per play (6.2), scoring defense (25.6 points per game) and net yards per passing attempt (6.9) and is 22nd in rushing defense (per Football Outsiders).



Week 1: Andy Dalton threw the ball all over the place and accumulated most of his 418 passing yards against cornerback Tre Flowers and free safety Tedric Thompson.



Week 2: Seattle’s front line...