Chargers wide receiver Quentin Johnston likely suffered a concussion after taking a scary hit in Los Angeles' preseason Week 2 game against the Rams. Johnston was trying to make a catch downfield on a ...

"Fencing response" refers to an involuntary reflex following a brain injury that resembles the en garde stance in fencing. Fencing response is a feature of a concussion, most commonly seen with head ...

Late in the third quarter of Sunday night's game, Chiefs receiver Rashee Rice took a huge (and legal) hit from Texans safety Jalen Pitre. Everything about the play raised the commonsense question of ...