FILE - In this July 30, 2017, file photo, Denver Broncos free safety Darian Stewart takes part in drills at NFL football training camp in Englewood, Colo. The former safety announced his retirement from the NFL on Thursday, Dec. 10 2020, saying he's turned his focus to his foundation in Charlotte, North Carolina, and wants to give back to his alma mater, the University of South Carolina. (AP Photo/David Zalubowski, File)

FILE - In this Oct. 14, 2018, file photo, Denver Broncos strong safety Darian Stewart (26) intercepts a pass intended for Los Angeles Rams running back John Kelly during the second half of an NFL football game in Denver. The former safety announced his retirement from the NFL on Thursday, Dec. 10, 2020, saying he's turned his focus to his foundation in Charlotte, North Carolina, and wants to give back to his alma mater, the University of South Carolina. (AP Photo/Joe Mahoney, File)