 On July 25, 2011, the Atlanta Falcons placed a first round restricted free agent tender on Grimes.On August 4, 2011, Grimes signed his one-year, $2.61 million restricted free agent tender to remain with the Falcons for the 2011 season.Defensive coordinator Brian VanGorder retained Grimes and Dunta Robinson as the starting cornerback duo to begin the regular season.