Melbourne Victory are rooted to the foot of the A-League table after Wellington Phoenix grabbed a point against Western Sydney Wanderers.
Western United were too good for Macarthur in the A-League with Besart Berisha in fine form at Mars Stadium.
A-League leaders Central Coast Mariners were condemned to defeat by three Tomi Juric penalties for Adelaide United.
Matt Simon was on the receiving end of a red-card challenge before getting the breakthrough at Wellington for Central Coast Mariners.
English striker Matt Derbyshire scored three goals from inside the six-yard box as Macarthur nudged up to second place in the A-League.
Graham Dorrans and Kwame Yeboah scored in the second half as Melbourne Victory slipped to another defeat.
Matt Derbyshire scored from just inside the opposition half as Macarthur beat in-form Brisbane Roar 2-0 in Tuesday's A-League clash.
Sydney FC moved third in the A-League with a win over Wellington Phoenix, who have just four points from five games.
Central Coast Mariners edged a five-goal thriller with Western United, while Melbourne City lost yet again in Sunday's A-League action.
Brisbane Roar won a seven-goal game against Melbourne Victory, while Macarthur and Western Sydney Wanderers drew.