Gaffney, 24, is a veteran of two NFL seasons with New England. The 6-foot, 220-pounder, originally entered the NFL as a sixth-round draft pick (204th overall) by the Carolina Panthers out of Stanford in the 2014 NFL Draft. He suffered an injury in his first NFL training camp while with Carolina and spent the season on injured reserve after being claimed off waivers by the Patriots on July 28, 2014. Gaffney was injured in training camp last year and spent the entire 2015 season on injured reserve.