The Colts signed LB Jamaal Westerman to the active roster and activated OG Seth Olsen from injured reserve. They also placed LB Justin Hickman on I.R.
Westerman has played in 41 games with three starts in his career. He has 50 tackles, 4½ sacks and four fumble recoveries. He played in five games with the Cardinals this season after spending the start of his career with the Jets.
Olsen started the first three games of the season at left guard before going on I.R. with a designation to return. He returned to practice on Nov. 28.
Hickman had 12 tackles, including two for loss, in 12 games this season.