Gresh & Zolak: Does Rob Gronkowski Still Need to Prove Himself?

June 1, 2012 12:00 AM
Gresh & Zolak: Does Rob Gronkowski Still Need to Prove Himself?
Does Rob Gronkowski still need to prove himself in the NFL? Green Bay Packers tight end Jermichael Finley seems to think so. 

" Gresh and Zo react to his comment that he is not sold on young tight ends Rob Gronkowski and Jimmy Graham "

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