Colts star DE Robert Mathis will play Sunday against the Broncos, according to a league source. He had been listed as questionable with a quad injury.

Jaguars WR Mike Sims-Walker will play against the Dolphins, shocking the team which expected him to be inactive.

Fill-in QB Kellen Clemens received some good news before Sunday’s game against the Buccaneers when the Jets kept G Alan Faneca and OT Wayne Hunter active despite undisclosed illnesses. Faneca and Hunter had been listed as questionable.

Patriots QB Tom Brady is active and will start Sunday against the Panthers, but LB Adalius Thomas is out.

Pro Bowl LB Terrell Suggs will play Sunday against the Lions, according to a league source, but a team source said the Ravens will be without S Ed Reed (hip), OT Jared Gaither (foot) and WR Michael Clayton (knee).

Falcons center Todd McClure (knee) told NFL Network’s Lindsay Soto that he will play Sunday against the undefeated Saints. Soto also reports that OT Sam Baker (elbow) is likely to play.

The Bears don’t expect Devin Hester to play Sunday against the Packers, according to a source with knowledge of the situation.

The Jaguars don’t expect any of their three “doubtful” players to go Sunday against the Dolphins, according to a team source.

Rams QB Kyle Boller will go through warmups and try to play Sunday against the Titans, according to a league source.

Vikings WR Percy Harvin isn’t scheduled to play Sunday against the Bengals, according to a league source.

Falcons QB Matt Ryan is highly unlikely to start Sunday against the Saints, according to a league source.

Dolphins C Jake Grove will not be active for Sunday’s showdown with the Jaguars, marking the third consecutive game he will miss because of an ankle injury.

Joe Staley was limited in his third consecutive practice, but he’s listed as questionable, meaning the 49ers’ veteran left tackle might be available Monday night against the Cardinals after missing the previous five games because of a knee injury.

The Rams confirmed on their Twitter page that rookie QB Keith Null could start Sunday against the Titans because of injuries to Marc Bulger and Kyle Boller.

Vikings Pro Bowl CB Antoine Winfield, who has missed the last six games because of a foot injury, will play Sunday against the Bengals, a source with knowledge of the situation said. It isn’t clear if Winfield, who’s listed as questionable, will start.