Every time a new concussion tool in the NFL catches the attention of the national public, it also catches the eye of sports medicine professionals who study said tool's effects on health and safety.

The Nationals placed Ruiz on the 7-day concussion injured list Tuesday, Mark Zuckerman of MASNSports.com reports. Ruiz originally landed on the concussion IL on June 27 after being hit by a foul ball ...

The Royals placed Loftin on the 7-day injured list Wednesday due to a concussion. Loftin played the entirety of Tuesday's 6-0 loss to the Cubs, but he was tagged hard on a play at third base during ...