MLS is facing a repeat of the 2014 season, when the failure of its referees and the Professional Referees Organization (PRO) to ratify a new Collective Bargaining Agreement (CBA) led to a lockout of the officials lasting through the first two weeks of the season.

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Soccer America Executive Editor Mike Woitalla has written freelance articles about soccer for more than 30 media outlets in nine nations. The winner of eight United Soccer Coaches Writing Contest awards,...