In a scary moment during college football's opening weekend, Wisconsin saftey Mike Caputo went to line up with Alabama's offense after a hard hit (GIF via Vice Sports).
ESPN via Vice Sports
On the play, Caputo runs in to tackle Derrick Henry.
Screengrab via ESPN
He dives low into the middle of the pile, and appears to hit his head.
Screengrab via ESPN
And was very slow to get up.
Screengrab via ESPN
Luckily, it was so obvious Caputo was not okay, trainers came out onto the field immediately, and he was taken out of the game.
Screengrab from ESPN
Here's the entire play: