Redskins should focus on defensive line in free agency

Here are the moves the Washington Redskins should consider when free agency opens at 4 p.m. ET Thursday:

Brandon Williams is among the available defensive linemen who might interest the Redskins in free agency.Defensive line: The Redskins have four free-agent linemen -- Chris Baker, Ziggy Hood, Cullen Jenkins and Kedric Golston. They’re not going to retain all of them and there’s a chance only two will remain (Hood and Baker). But even if they keep two, the Redskins will attack this position in the offseason, both in free agency and the draft. There are players who fit what they need: Dontari Poe and Brandon Williams. Calais Campbell is a name to watch, too. Though he’s 30, he has kept…