Summary: John Halpin & Adam Meyer on injuries, free agents and Week 13. Players include: Rob Gronkowski, Marcus Mariota, Ryan Fitzpatrick, Blaine Gabbert, Shaun Draughn, Jay Ajayi, David Johnson, DeVante Parker, Cecil Shorts, Scott Chandler, Zach Miller, Luke Willson, Cam Newton, Ronnie Hillman, Alshon Jeffery, Markus Wheaton, Keshawn Martin, Vance McDonald, Kyle Rudolph, Antonio Brown.