Jaxson Dart concussion investigation, explained: Why Brian Daboll, Giants could be punished for violating NFL rules Jaxson Dart was evaluated for a concussion on Thursday night before quickly returning to the game. Original Source: https://www.sportingnews.com/us/nfl/news/jaxson-dart-concussion-investigation-brian-daboll-nfl-rules/c8fdd9cf42fdc1b72ba58898
