The PFA served Central Coast Mariners owner Mike Charlesworth with a letter of demand following the club's decision to stand down players.
Melbourne City moved to within seven points of A-League leaders Sydney FC as Jamie Maclaren claimed the matchball against Central Coast.
Here are five key sporting contests to watch on Friday amid the schedule problems caused by the coronavirus pandemic.
Brisbane Roar kept their Finals Series ambitions on track with a 1-0 A-League win over bottom club Central Coast Mariners.
After holding a 3-0 half-time lead, Melbourne City had to weather a comeback bid from Perth Glory in an A-League thriller on Sunday.
Western United beat Central Coast Mariners 6-2, while Melbourne City edged past Brisbane Roar to go second in the A-League table.
Mohamed Toure only signed scholarship terms with Adelaide United this week, but now he has become the A-League's youngest ever goalscorer.
Dimitri Petratos' brace helped the Newcastle Jets edge the Central Coast Mariners in the A-League.
Nicolai Muller, Mitchell Duke and Simon Cox fired Western Sydney Wanderers to victory against Central Coast Mariners.
Perth Glory had a penalty awarded and then ruled out by VAR as they played out a 0-0 draw with second-placed Melbourne City on Saturday.