Lions GM Martin Mayhew said Titus Young has yet to undergo knee surgery after he was placed on injured reserve in the first week of December.
FOX Sports' Jay Glazer reports Chris Johnson has a fractured tibia.
Seahawks placed TE Jimmy Graham on injured reserve with a ruptured right patellar tendon, ending his season.
ESPN's Adam Schefter reports Rob Gronkowski (knee) is expected to miss "multiple weeks."
NFL Network's Rand Getlin reports Rishard Matthews suffered "multiple fractured ribs" in the Dolphins' Week 12 loss to the Jets.
Colts coach Chuck Pagano admitted Monday that Frank Gore is "beat to crap."
The Cardinals' website considers rookie David Johnson the team's "likely" Week 13 starter at running back against St. Louis.
ESPN's Dianna Marie Russini reports Rob Gronkowski is "week to week," and dealing with a bruise.
ESPN's Chris Mortensen reports Peyton Manning (foot) isn't expected back "anytime soon."
Giants RG Geoff Schwartz (broken leg) will be placed on injured reserve, ending his season.
Chris Johnson (knee) was spotted with a "significant limp" on Monday.
Seahawks coach Pete Carroll said Jimmy Graham (knee) should be recovered in time for the 2016 season.