Pep Guardiola's men were as impeccable as ever in a money-spinning friendly in the oil-rich nation, with youngster Mitchell Weiser starring by bagging a double Bayern Munich showed no signs of rustiness as they kicked off 2015 with a comfortable 4-1 victory over Qatar Stars. The German champions have not played since beating Mainz 2-1 in the Bundesliga on December 19, but never looked in danger of losing against the Qatari top-flight's representative side. Mitchell Weiser opened the scoring inside the opening three minutes - Thomas Muller finding himself in acres of space in the Stars' box before teeing up the 20-year-old for a simple finish. Weiser , who is yet to find the net for the senior team, doubled the visitors' advantage 12 minutes later when he cut in from the right and rifled an effort across goalkeeper Claude Amin. However, the Stars - coached by Lekhwiya coach Michael Laudrup - reduced the deficit against the run of play after 27 minutes. Al-Arabi's P...