Forston, 24, was originally signed by the Patriots as a rookie free agent on May 10, 2012, out of Miami. The 6-foot-3, 305-pounder made the 53-man roster of training camp as a rookie but was released early in the season and brought back to the practice squad, where he spent the majority of the season. He eventually re-joined the 53-man roster prior to the AFC Championship Game but was inactive for the contest. He spent the majority of the 2013 season on the practice squad but had two stints on the 53-man roster, appearing in three games and registering three total tackles. Forston has played in four NFL games and has registered three total tackles.
Williams, 25, appeared in two regular-season games during two separate stints with the Patriots late last season. He first signed with the Patriots on Nov. 27, 2013, and then was re-signed on Dec. 9, 2014 after being released. The 6-foot-2, 245-pounder originally entered the NFL as a fifth-round draft pick (101st overall) by Green Bay out of Arkansas in 2011. Williams was waived by Green Bay on Aug. 31, 2013, and claimed off waivers and awarded to Jacksonville on Sept. 1, 2013. He was released by the Jaguars on Nov. 4, 2013. Williams has played in 35 NFL games with three starts and has nine receptions for 70 yards.