Eagles receiver Riley Cooper has been sent threatening messages after a video of him making a racial slur became public. The team said Sunday that Riley informed the club of the threats and did not know who made them. The team has notified the league's security department. Cooper was fined by the Eagles after his slur became known Wednesday. He left the team Friday to seek counseling. ''Riley Cooper made us aware of the tweets when the video became public,'' the team said in a statement. ''He told us that he did not know about the video. He informed us he blocked the tweets because he did not know the person nor understand the context of what that person was threatening. ''We promptly alerted NFL security. This information potentially speaks to a legal issue that is a matter between Riley and the authorities. Our focus has been on Riley's words and actions.'' Source: Associated Press