sentences:  The Roar's possession based style of play under Postecoglou earned them the nickname "Roarcelona".The 4–0 win against Adelaide United in round 13 was highly praised in the media as some of the best football the A-League has ever seen.Postecoglou led the Roar to the Premiership and Championship in the 2010–11 season, winning the Grand Final 4–2 on penalties against the Central Coast Mariners in front of 52,168 people at Lang Park.