Heard, 6-6, 339 pounds, has played in 23 games (two starts) and has recorded 26 tackles (17 solo), two sacks and one forced fumble. This season, he has appeared in eight games with the St. Louis Rams, making five tackles (four solo). He was originally signed by the Oakland Raiders as an undrafted free agent on April 30, 2010 before being added to the practice squad on September 5. The Bills signed him to the active roster on December 11, 2010 and waived him on August 31, 2012. Heard was then acquired from waivers by the St. Louis Rams on September 1 and was waived on November 10.
Chapman, 6-0, 316 pounds, was originally selected by the Colts in the fifth round (136th overall) of the 2012 NFL Draft out of Alabama. He was placed on the Reserve/Non-Football Injury List on August 27, 2012 and was activated on November 12. He was inactive for the last two games.
Moala, 6-4, 310 pounds, has played in 48 games (39 starts) since being drafted by the Colts in 2009. He holds career totals of 86 tackles (54 solo), two sacks and two passes defensed. This season, Moala started in all eight games he played in and recorded 21 tackles (11 solo) and one pass defensed. He was inactive for three games.