After Gronkowski injury, here's what you need to know about concussions - ABC News
The New England Patriots Will Never Have a Tight End Like Rob Gronkowski - Pats Pulpit
Rob Gronkowski-Tom Brady workout is smoke that will become fire when TE returns to Patriots
Against the Grain: Rob Gronkowski would be a different player - Sports Illustrated
Rob Gronkowski will miss Week 1: 3 New England Patriots ripple effects
Patriots' Gronkowski cleared to play in Super Bowl
Rob Gronkowski spins & swats away Colts on this touchdown (Week 11, 2014)
Rob Gronkowski starting to resemble former self - The Boston Globe
Patriot's Rob Gronkowski back at practice; more from around the NFL – The Denver Post
New England Patriots: What was Rob Gronkowski's impact? (PFN Film Room)
Bad Luck And Body Type: As Pats Lose Gronk, Weighing Whether Some Athletes Are Injury-Prone