Fantasy football 2013 draft preview: Chicago Bears team report

While this is still a strong defense, its window is closing. Briggs, Peppers and Tillman only have so many snaps left in them. If Williams and Bostic can do

Chicago's Matt Forte should catch far more passes in 2013, which could make him a top fantasy back :: Damian Strohmeyer/SI

While this is still a strong defense, its window is closing. Briggs, Peppers and Tillman only have so many snaps left in them. If Williams and Bostic can do an admirable job filling in for the version of Urlacher we saw the last few seasons, however, this defense can play at a championship level in 2013.