Carlton AFL club confirmed midfielder Heath Scotland was involved in a brawl in the NSW-Victoria border town of Mulwala over the weekend that reportedly left a man unconscious.

NSW police are investigating the matter and Carlton said in a statement Scotland claimed he went to the aid of his brother who was being attacked by a number of people.

The Herald Sun has reported that security guards at the Mulwala Ski Club separated two brawling groups at 1.40am Sunday and police were called.