On May 12, 2013, Horne signed as a free agent with the New York Giants. On July 30, 2013, Horne was carted off the field with a foot injury. On August 1, 2013, Horne was waived/injured by the New York Giants. He cleared waivers and was placed on injured reserve. On August 7, 2013, Horne was released with an injury settlement.
