Karl Ouimette was under scrutiny over a challenge on Orlando striker, Cyle Larin, which should have resulted in a red card, but no foul was given. The controversy does not end there, as the situation should never have happened in the first place.
Referees in MLS are no strangers to making mistakes, or criticism of said mistakes. Professional Referee Organization (PRO) is an institution that might be most quickly improved by an apostrophe, but spends most of its time focusing on referees in the league, occasionally identifying and reporting on their errors, as well as pursuing its primary goal of improving the quality of refereeing.