Posted by ESPN.com's Pat Yasinskas
We've noted this trend before, but it's worth repeating. Carolina running back DeAngelo Williams is at his best going up the middle or to the right.
That's kind of interesting because tackle Jordan Gross and guard Travelle Wharton, probably Carolina's two best linemen, play on the left side. Williams has been effective on that side, too.
But his success up the middle speaks volumes about the play of second-year center Ryan Kalil and rookie right tackle Jeff Otah (as well as right guard Keydrick Vincent, who was injured late in the year and probably will be replaced by Jeremy Bridges in Saturday's playoff game against Arizona).
Here's a breakdown of what happens when Williams has carried the ball in each direction: