Rob Gronkowski of New England Patriots carted off with leg injury - ESPN
A look at Rob Gronkowski's injury history and the many other blows to New England's offense in 2015 – New York Daily News
Rob Gronkowski doesn't travel with Patriots, unlikely to play vs. Bears - Pats Pulpit
Rob Gronkowski Injury Update: Patriots TE not expected to play in opener
Revisiting Rob Gronkowski's injury history with New England Patriots - ESPN - New England Patriots Blog- ESPN
NFL Insider Has New Injury Update For TE Rob Gronkowski - The Spun: What's Trending In The Sports World Today
Rob Gronkowski officially returns to Patriots practice - Pats Pulpit
Rob Gronkowski retires after 11 seasons, 4 Super Bowl championships
Gronk says groin injury not serious
Rob Gronkowski of New England Patriots carted to locker room with leg injury - ESPN