Cowboys sign Anthony Barr: How can he help defense?

By David Helman
FOX Sports Dallas Cowboys Writer

OXNARD, Calif. — It might not be a receiver, but the Dallas Cowboys have made their first major move of this season.

One week into practices out here on the West Coast, the Cowboys agreed to a one-year deal with veteran linebacker and four-time Pro Bowler Anthony Barr on Wednesday. The Cowboys had been linked to Barr, who spent eight seasons with the Minnesota Vikings, for the past few months…