The New England Patriots fear that star tight end Rob Gronkowski has a torn ACL in his right knee, a source told ESPN NFL Insider Adam Schefter.
Minnesota Vikings running back Adrian Peterson was carted to the locker room after suffering an ankle injury early in the second quarter of Sunday's game against the Baltimore Ravens.
Denver Broncos kicker Matt Prater set a new NFL record Sunday when he hit a 64-yard field goal to close out the first half. Prater's kick broke the NFL record of 63 yards, held by Tom Dempsey (1970), former Broncos kicker Jason Elam (1998), Sebastian Jani
Broncos wide receiver Wes Welker left Sunday's win over the Tennessee Titans just before halftime with a concussion and did not return to the game.
Arizona Cardinals rookie free safety Tyrann Mathieu "appears" to have an ACL injury according to coach Bruce Arians and will have an MRI on his left knee Monday morning, according to NFL sources.
Heavy snow fell until early in the fourth quarter of Sunday's Philadelphia-Detroit game, covering the playing surface at Lincoln Financial Field and greatly affecting the strategy in a game won by the Philadelphia Eagles, 34-20.
Detroit Lions coach Jim Schwartz was planning on having running back Reggie Bush available to play Sunday against the Philadelphia Eagles.
The Houston Texans already have Ken Whisenhunt squarely on the radar for their head coaching vacancy and are expected to interview the San Diego Chargers offensive coordinator at the soonest chance possible, league sources said.
Jon Gruden will remain with ESPN through at least the 2014 season, the former Super Bowl-winning coach has confirmed.