Redskins improved with Culliver

Cornerback Chris Culliver earned the fifth-highest PFF coverage grade from Week 3 on last season. AP Photo/Tom Hauck

Pro Football Focus will be providing analysis for every major NFL signing and trade during the 2015 free-agency period, accounting primarily for the quality of the player and his fit with his new team while focusing less on the financial terms of the deal.

Here is a grade for the Washington Redskins' signing of Chris Culliver.

Link to grade articles on every major deal

Washington Redskins: B+

Washington continues to make moves in free agency, with former 49ers cornerback Chris Culliver the latest signing. Culliver saw plenty of action as a backup in his first two seasons. He was even pushed into the starting lineup in the 2012 postseason, although he didn't fare as well in the starting role.