Rob Gronkowski Takes A Brutal Hit To The Knee At Full Speed, Gets Carted Off The Field

New England Patriots tight end Rob Gronkowski has left the Patriots-Browns game with an apparently leg injury after a brutal hit in the third quarter.

Gronkowski was streaking down the field when TJ Ward hit him square in the knee at full speed.

It was a brutal collision (via @cjzero):

He was taken off on a cart: