If there are 4 teams the rules are being bent to satisfy per below the the forfeiting team is to be penalized by no playoffs:
Article IX – Forfeiture/Default of Contest A member team may not forfeit a scheduled contest. Scheduled games must be played. Violation of this rule will make the team and its coaches ineligible for playoffs. If a coach is ejected from a sanctioned game, he may appoint a representative as a replacement. If a representative is not available, the contest may be declared a default and result in a loss for the team. The referee has the power to suspend from a game, or send from the field, a player, coach, or fan found guilty of flagrant or repeated misconduct. Any coach that is dismissed from a game must report in writing to the league administrator about the incident prior to coaching in the next sanctioned game. The league administrator can declare a default should it be deemed necessary due to the rule infractions by an offending team.