Wayne State University researcher Mark Haacke is among the researchers studying the effects of brain concussions on NFL players. Former Detroit Lions quarterback Eric Hipple is among 10 former players who have had their brains studies with state-of-the-art MRI methods at Wayne State University.

http://www.norwichbulletin.com/sports/x1803285892/Landmark-football-concussion-study-already-in-works
http://espn.go.com/nfl/story/_/id/9613489/ex-nfl-players-part-brain-study-detroit