Rob Gronkowski's Mom Gave Him a Birthday Spanking

Rob Gronkowski's Mom Gave Him a Birthday Spanking
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Rob Gronkowski's birthday was this week (May 14), and his mother helped him celebrate. 

She donned some Zubaz pants and grabbed a bat. 

Based on everything we've seen from Gronk, this doesn't surprise us one bit.

Don't forget the ice bath. 

[Twitter]

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