 Parker became an unrestricted free agent in 2015 and received interest from multiple teams, including the Tampa Bay Buccaneers, Atlanta Falcons, New York Giants, and New York Jets.On March 16, 2015, the Kansas City Chiefs signed Parker to a five-year, $30 million contract that included $8 million guaranteed and a signing bonus of $5 million.Parker entered training camp slated as the starting strong safety.