Melbourne Victory produce stunning comeback to sink mariners after going 2-0 down at half time.
Perth's stunning season continued with a clinical 3-0 win over Wellington in the Distance Derby.
Debut goal for Luke Ivanovic and Adam Le Fondre's 12th goal of the season help Sydney FC defeat Melbourne City.
In a game with seven goals and three red cards, Adelaide fought back from 3-0 down to beat Brisbane Roar.
Newcastle Jets' Roy O'Donovan scored a brace as they eased past Western Sydney at the ANZ Stadium.
Melbourne Victory want a bumper turnout for their Super Sunday of AAMI Park action to bolster the club's chances of silverware on two fronts.
On paper, it's one of the most exciting days of domestic football in memory and Victory and the FFA are keen to lure a big crowd.
In the afternoon, Victory's W-League side host a semifinal against Sam Kerr's Perth, as the Victory women look to back up their premiership with hosting rights in a Grand Final.
The 2018-19 A-League season is starting to take shape. Check out where your team sits on the ladder.
Head to ESPN's home of everything A-League, W-League, Socceroos and Matildas!
In the evening, the Victory men take centre stage…