Miami Dolphins WR Rishard Matthews (ribs, chest) might not be able to play in Week 13, according to head coach Dan Campbell.

Updating a previous item, Kansas City Chiefs LB Justin Houston (knee) is dealing with a posterior cruciate ligament sprain in his knee, based on initial tests, according to a source.

Carolina Panthers CB Charles Tillman (knee) is expected to be out at least a couple more games as he recovers from a sprained knee. CB Bene Benwikere has been starting opposite CB Josh Norman with Tillman out.

Indianapolis Colts RB Ahmad Bradshaw (wrist) was placed on Injured Reserve Monday, Nov. 30. RB Zurlon Tipton was signed to the active roster.

Buffalo Bills DE Alex Carrington (quadriceps) tore his quadriceps Sunday, Nov. 29, and will have season-ending surgery Monday, Nov. 30.

Updating earlier reports, New England Patriots TE Rob Gronkowski (knee) is unlikely to miss more than one game, and may not even miss that, according to sources.

Free-agent CB Cortland Finnegan (Dolphins) signed with the Carolina Panthers Monday, Nov. 30.

San Francisco 49ers RB Shaun Draughn played all 56 offensive snaps Sunday, Nov. 29, in Week 12.

Atlanta Falcons QB Matt Ryan has a league-leading four interceptions in the red zone, according to ESPN Stats and Information. He had none in the red zone last year.

Footballguys View: Fantasy owners are trying to find better options if they have Ryan. He’s scoring like a low-end QB1 this season, but players like Derek Carr or Blake Bortles provide more upside on a weekly basis.

Denver Broncos FS T.J. Ward (ankle) and DT Sylvester Williams (ankle) suffered high ankle sprains Sunday, Nov. 29, which are expected to keep them out a while.

Footballguys View: The Broncos defense is one of the best in the league, but we’ll see how they respond without two of their starters.