Vladimir Guerrero Jr. left Friday's game after Yankees shortstop George Lombard Jr. kneed him in the head. Vaughn Ridley / Getty Images Following a collision at third base Friday and subsequent concussion protocol testing, the Toronto Blue Jays have placed ...

Add Yahoo as a preferred source to see more of our stories on Google. U.S. Senate minority leader Mitch McConnell, 81, fell Wednesday during a dinner at a Washington hotel. The Kentucky lawmaker is now being treated for a concussion and is being observed ...

NEW YORK — Satou Sabally is taking time away from being with the New York Liberty to deal with lingering issues from a concussion she suffered over a month ago, coach Chris DeMarco said.

Higgins (concussion) is progressing through the league's five-step concussion protocol and is close to returning, Howard Balzer of USA Today reports.

Kyle Shanahan opens up about his concussion, recovery and how the injury changed his perspective on what players go through.

Jets cornerback Qwan'tez Stiggers, who lost consciousness during a joint practice on Tuesday, is in the NFL's concussion protocol.

Kyle Karros walked off the field after a scary collision between him and Ezequiel Tovar on Tuesday night. The Colorado Rockies, though, put him in concussion protocol right after the game. Tomoyuki Sugano came through for the team,

DETROIT — Detroit Tigers outfielder James Outman was placed on the seven-day concussion injured list before Thursday’s game. Outman was hit by a pitch on his chin in the seventh inning on Wednesday night.