It's pretty scary and is now commonly used to diagnose concussions. In MMA or boxing it would get you a 90 day licence suspension.
In the NFL the dirtbag that hit you flexes for the camera. The NFL has a big concussion problem, and the more people learn about how much damage is caused, the less they enjoy watching it.
Thats why they need to go back to leather helmets, the equipment the players wear today make them feel invincible.
Spikes is dirt ball and TKO should sit his cousin down and have a heart to heart on how to respect the game.