Was this hit by the Browns' T.J. Ward on Rob Gronkowski legal? It looks like it was. Is it brutal to watch? Absolutely! Just watch as Gronk catches the ball in the middle of the field only to have Ward chop him down at the knees. Following the nasty hit, Gronkowski looked like he was in an incredible amount of pain and rightfully so. That looked like it hurt!  

RELATED: The 50 Most Brutal Hits in NFL History

[via Robert Littal]