The Chicago Bears were not aware that a man had been charged with raping a woman at the home of Brandon Meriweather when the team signed the defensive back and they are looking into the matter, sources told ESPNChicago.com.

The incident occurred this summer in Foxboro, Mass., when Meriweather was still a member of the New England Patriots.

James Roberts, 29, of Biloxi, Miss., was arrested as he drove away from Meriweather's home on Aug. 25, according to Norfolk (Mass.) District Attorney spokesman David Traub. Roberts was arraigned and pleaded not guilty. He was ordered held on $10,000 cash bail, and he made bail after a couple of days.