Lights go out during second half of Jets-Browns Hall of Fame game – NewsNation
Robert Griffin III thinks he proved he can still play in the NFL
Robert Griffin III suffers concussion against Lions
Browns boot quarterback Robert Griffin III - NBC Sports
New York Giants: Browns QB Cody Kessler officially ruled out for Sunday's game
Report: Redskins have discussed trading Robert Griffin III
Griffin III, Cousins on divergent NFL paths
Robert Griffin III run, injury: Unfortunate break or unnecessary risk? - ESPN - Cleveland Browns Blog- ESPN
Browns QB Griffin still in concussion protocol
Cody Kessler Injury: Updates on Browns QB's Concussion and Return, News, Scores, Highlights, Stats, and Rumors
Robert Griffin III in concussion protocol, making finale status uncertain - NBC Sports
Robert Griffin III: Injury history in NFL - Sports Illustrated