Tip Sheet: Sack differential vital
The ability to generate sacks, and guard against them, has become paramount
Only three of the top 10 sack teams from the 2009 regular season remain in the playoffs. And just four of the 10 franchises that surrendered the fewest sacks in '09 are still in contention for a Super Bowl XLIV berth.
But combine those two critical disciplines -- the ability to knock down the other guy's quarterback and to keep your own passer perpendicular -- and the list of playoff survivors that have advanced to the weekend's division-round games grows considerably.
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2009 NFL PLAYOFFS: ROAD TO MIAMI