Matthews has exited Sunday's game against the Colts with a knee injury, Tori McElhaney of the Falcons' official site reports.

Matthews (knee) is active Sunday against the Panthers.

Matthews departed during the first quarter of Sunday's Week 14 game against Tampa Bay due to a knee injury and is questionable to return, Tori McElhaney of the Falcons' official site reports.

Matthews and the Falcons have agreed to terms on a three-year contract extension, Ian Rapoport of NFL Network reports.

Matthews had his contract restructured Saturday to provide the Falcons $7.95 million in cap space, Tom Pelissero of NFL Network reports.

Matthews logged his 16th start of the season during Atlanta's 44-27 Week 17 loss to the Buccaneers.

Matthews (knee) is active Week 2 against Dallas.

Matthews (knee), who is listed as questionable for Sunday's game in Dallas, is expected to play, Ian Rapoport of NFL Network reports.

Matthews is considered questionable for Sunday's game versus the Cowboys, Vaughn McClure of ESPN.com reports.

Matthews (knee) was upgraded to limited practice participation Thursday after sitting out Wednesday's session, Jason Butt of The Atlanta Journal-Constitution reports.