Manchester United outclassed Schalke 04 in a one-sided Champions League semi-final first leg on Tuesday, with goals from Ryan Giggs and Wayne Rooney securing a 2-0 win for the English side.   United’s assured victory would have been far more emphatic but for a brilliant first-half display from Schalke goalkeeper Manuel Neuer. The German keeper performed heroics to keep the game scoreless going into the...