I think he had a concussion.
WRESTLING!
21% of all players that get ACL injuries retire
penetrating head injury
She had a knee injury in the off-season.
A bite
A blunt force head injury.
martyrdom
A bite.A+ answers
One common injury that a wide receive will suffer from is a pulled hamstring. They can also suffer from head concussions.
randy orton kicking him in the head
A+ blunt force brain trauma
he suffered from an ankle twist