Investigators say the rival fans got into a verbal dispute that quickly became physical after a man in a Flyers jersey threw the first punch.
A police report said a "verbal dispute escalated to a physical pushing match."
Most of the complaints involved "suspicious noises" or "verbal disputes," but on one occasion the police report indicated that the "subject attacked mother and grandmother."
In recent work, Chalmers has concentrated on verbal disputes.
In the same work, Chalmers describes novel procedures for the resolution of verbal disputes.
The majority were found to be either thefts, or robberies, or results of verbal disputes.
A verbal dispute followed and Muhkam made ready to resist by force.
Murray and Asselstine became involved in a verbal dispute and some pushing as the game officials were returning to the ice, the league said.
Hardin confronted Selman Jr., and the two men had a verbal dispute.
The police said they saw 20 to 30 people involved in a verbal dispute.