Western Sydney Wanderers could face disciplinary measures after their supporters unveiled an offensive banner during Saturday night's derby.
Dominic Bossi is a football reporter with The Sydney Morning Herald.
A brace from Besart Berisha and a superb solo goal from James Troisi saw Melbourne Victory seal a comfortable win over Central Coast Mariners and keep their faint premiership hopes alive.
Passion can often get the better of Brendon Santalab and the Western Sydney Wanderers striker revealed he had to have a private meeting with coach Tony Popovic before the Sydney derby to regain his composure.
Sydney FC's hopes of finishing the season as invincibles came crashing down to earth after Brendon Santalab seals a thrilling win for the Wanderers.
While the Western Sydney Wanderers team song was echoing across the change rooms after full-time in the Sydney A-League derby, the referee at the centre of their controversial win was quietly apologising to Sydney FC.
Central Coast Mariners are disappointed three rugby league trial games have threatened the quality of the pitch at Central Coast Stadium and were scheduled less than 24 hours before one of the biggest games of the season.
Sydney FC coach Graham Arnold doesn't mind causing a stir, but his pre-match comments before Saturday night's Sydney derby caught everyone off guard.
Sydney FC are a team based on imitation, which is why Josh Brillante is the Sky Blues' answer to Chelsea's "water carrier" N'Golo Kante.
Pressure is mounting externally and from within the club for the Wanderers to make a late charge into the finals but Tony Popovic isn't paying any attention to the weight of expectation.
Not celebrating against your former employer has become the new norm in world football, though Western Sydney Wanderers midfielder Terry Antonis could snap that trend against Sydney FC.