Rob Gronkowski Crushes 320-Foot Home Run, Wins Celebrity Home Run Derby – Sylvania Spotlight – NESN.com July 10, 2012 by Mike Dussault Rob Gronkowski Crushes 320-Foot Home Run, Wins Celebrity Home Run Derby – Sylvania Spotlight – NESN.com Finally a Gronk off-season activity I can get behind. Ankle must be 100% right?