The Facts: Reed was being evaluated for a concussion during Thursday's preseason game at the Falcons, a troubling sign for both Reed and the Redskins given his history.

Diehards Line:Reed -- who has suffered at least five documented concussions since entering college, including three since joining the NFL in 2013 -- was hit in the helmet after a catch, resulting in it being popped off. No penalty was called on the play. Reed did stay in the game but left shortly thereafter. He has not reported any concussions since the 2016 season, but this is obviously a worrisome development. We'll be following up.