The Carolina Panthers' motto in recent years has been #keeppounding, and one fan took the hashtag to heart Thursday night.
Video posted by an Instagram user showed a man wearing a Cam Newton jersey punching another fan who was sitting behind him repeatedly in the face. The assailant delivers four punches to the victim's head, leaving the older man bleeding from the face, before hurrying for the exits.
According to the caption in the original Instagram post, which includes objectionable language, the two men had been arguing throughout the game because the man in the Newton jersey and the woman with them refused to sit down. According to the user who posted the video, the victim also was wearing Panthers gear.
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NFL spokesman Joe Lockhart said on a conference call Friday morning that the league was aware of the incident and in contact with Panthers security.
“We take all of these very seriously," Lockhart said, per NFL Media.
