Dec 20 (OPTA) - A-League fixtures for this weekend Friday, December 20 fixtures (AEDT/GMT) Western Sydney Wanderers v Western United (1930/0830) Saturday, December 21 fixtures (AEDT/GMT) Wellington Phoenix v Sydney (1445/0345) Melbourne City v Melbourne Victory (1700/0600) Perth Glory v Newcastle Jets (1930/0830) Sunday, December 22 fixtures (AEDT/GMT) Central Coast Mariners v Adelaide United (1800/0700)