The Seattle Sounders violated the league mass confrontation policy and the team and coach Sigi Schmid were fined on Thursday.
The MLS Disciplinary Committee determined the Chicago Fire also violated the policy during the Saturday's game, but received an official warning for their first violation of the season. Chicago's Benji Joya and Gonzalo Segares were involved and fined an undisclosed amount.
Also, Chicago's Jhon Kennedy Hurtado and Seattle's Obafemi Martins were fined for failing to leave the field in an orderly manner after receiving red cards. Chicago's Jeff Larentowicz was fined for hands to the face/head of Gonzalo Pineda.
Colorado Rapids midfielder Dillon Serna was suspended one game and fined for serious foul play against FC Dallas midfielder Victor Ulloa in Saturday's game.