White was also forced to play through injury, and eventually suffered a severe concussion that kept him out of action for two months.

Anderson's helmet stopped the bullet, but he has a severe concussion.

His season was ended just after Christmas when he suffered a severe concussion during a game.

The collision has given him a severe concussion and amnesia.

The other doctor has a severe concussion, according to the news.

As a player, Brewer suffered a severe concussion and kept playing.

A couple more of his people are being treated for severe concussion.

He had a severe concussion where the back of his head smashed into the canvas.

He spent two weeks there recovering from a severe concussion and a shoulder injury.

Green was lying in a hospital at the time with a severe concussion that could keep him out four to six weeks, according to Edwards.