Gronk RETIRING Due to Head Injuries!!? "I'm Definitely Going to Look at My Future"

Of all the current high-profile NFL superstars, you'd be hard-pressed to find one who's more consistently injured than Rob Gronkowski. Gronk has seen major injuries to his forearm, ACL and MCL, not to mention a series of concussions. Now it looks as though it's all adding up to bad news for Pats fans. Is this the end of the football road for Gronk?