Researchers analyzed 1,712 former players who died between 2008 and 2021.
The C-shaped device, called the Q-Collar, works by clamping down on blood vessels in the neck.
San Francisco receiver Marquise Goodwin took a big hit from Rams defensive back Blake Countess and remained on the field for several minutes. Goodwin was diagnosed with a concussion and taken to a local hospital.
Raiders coach Jack Del Rio said there's a "good chance" that WR Amari Cooper will play Monday against the Eagles after the two-time Pro Bowler practiced Saturday.
T.J. Oshie has had concussions before, so he knew what not to do this time.
Clippers guard Austin Rivers suffered a concussion during Wednesday's 106-95 win over the Magic and will not play Friday night against the Wizards, the Clippers announced.
