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The Boston Globe

Sports

Christopher L. Gasper

Durability of Rob Gronkowski still in question

There are two things that can stop Rob Gronkowski from fulfilling his potential to become one of the greatest tight ends in NFL history — injuries and himself.

The two have conspired this offseason to do what few NFL defenses have been able to do since Gronkowski entered the league in 2010 — slow down the five-letter football force of nature known as Gronk.

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