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There's no doubt that the strength of the Ravens defense is its defensive line and linebacking corps. While having All-Pro safety Ed Reed hovering in the defensive backfield is an added luxury, the rest of the defensive backfield leaves a little to be desired.
The Ravens rely heavily on their pass rush and blitz packages to put pressure on quarterbacks and their linebackers do a good job of re-routing receivers in the middle of the field.
This style of play allows the opportunistic Ed Reed to pick his spots to capitalize on turnovers. During the regular season, Reed accounted for eight of the 15 interceptions made by members of the defensive backfield.
The rest of his backfield teammates leave quite a bit to be desired, though, and won't have the good fortune of facing the weak pass blocking of the Kansas City Chiefs and Matt Cassel again this week, and given Roethlisberger's escapability, they'll have to stay in coverage for longer periods of time.
Needless to say, Dawan Landry, Chris Carr, Josh Wilson, LarDarius Webb and Haruki Nakamura will all have their hands full with the tenacity of Hines Ward, the speed of Mike Wallace and all-everything receiver Antwan Randle-El.