FILE - In this Aug. 14, 1989, file photo, Chicago Bears safety Dave Duerson (22) scrambles for running room after intercepting a pass as Miami Dolphins Jeff Uhlenhake (63) grabs hold during an NFL football game in Miami. Duerson, a four-time Pro Bowl safety who played on Super Bowl winners with the Chicago Bears and New York Giants, has died. He was 50.  Miami-Dade Police Detective Robert Williams says Duerson's body  was found Thursday in Sunny Isles Beach, Fla. Investigators have not determined the cause of death.  (AP Photo/File)

FILE - In this Aug. 14, 1989, file photo, Chicago Bears safety Dave Duerson (22) scrambles for running room after intercepting a pass as Miami Dolphins Jeff Uhlenhake (63) grabs hold during an NFL football game in Miami. Duerson, a four-time Pro Bowl safety who played on Super Bowl winners with the Chicago Bears and New York Giants, has died. He was 50. Miami-Dade Police Detective Robert Williams says Duerson's body was found Thursday in Sunny Isles Beach, Fla. Investigators have not determined the cause of death. (AP Photo/File)