Gronkowski walks out of X-Ray's after hit to the knee.

Patriots tight end Rob Gronkowski was carted off the field late in the fourth quarter after taking a hit to his right knee from Denver safety Darian Stewart, but he still managed to walk out of the X-Ray room.

The offense has already been wiped out by injury so an injury to Gronkowski would be devastating.

A video posted by James Palmer shows Gronkowski walking back to the Patriots locker room from the x-ray room, which is a good sign but the injury could still be serious.  Remember...Dion Lewis walked off the field after his season ending torn ACL.  Patriots nations holds our collective breath.

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