On the hunt for some depth in the secondary, the Miami Dolphins gave tryouts to defensive backs Mark LeGree and Darcel McBath on Wednesday, according to a league source. And in another free-agent visit, the St. Louis Rams tried out defensive back C.J. Wilson. In other league news,  four teams placed waiver claims on defensive back Darius Butler following his release from New England, according to a league source. Carolina, Denver, Jacksonville and San Francisco all placed claims on Butler, who was awarded to the Panthers.

There wasn’t much in Chicago — the snow, wind or the Bears — slowing down the Patriots on Sunday, but they did sustain a couple of injuries.

New England agreed to terms on a four-year deal with cornerback Darius Butler, a second-round pick, according to his agent.

NFL Network analyst Mike Mayock was at University of Connecticut’s pro day on Wednesday, where the Associated Press reports representatives from 21 teams, including Patriots coach Bill Belichick and Chargers GM A.J. Smith, were present for what was the biggest pro day in school history.