On Sunday night, New England Patriots tight end Rob Gronkowski formally announced over Instagram that he will be retiring from the NFL after nine professional seasons.
Since entering the league as the 42nd overall pick in 2010, Gronk compiled
521 catches for 7,861 yards with 79 touchdowns during his time in Foxborough.
Gronk earned five Pro Bowl selections over his career but dealt with
multiple back surgeries, a twice-broken arm and a torn ACL.
Despite the injuries, Gronk put together a career that all but assures him a place in Canton, Ohio at the Pro Football Hall of Fame.
Check out all the best reactions from social media to the news below.