Sometimes it’s the NFL’s fans who act like they’ve been hit in the head repeatedly.

Rob Gronkowski’s now-infamous wrestling hit put his target into the NFL’s concussion protocol. Not only was the hit dirty, but so was the response from a number of Patriots and NFL fans. It talked to Kevin Paul Dupont from the Boston Globe about the lengths fans will go to in order to explain not only their favorite player’s bad behavior, but to justify the excessive violence of today’s NFL. We talked a bit of Bruins, too.