Gonzalo Higuain came to the rescue once again for Real Madrid, who labored to a 1-0 victory over Champions League minnows Zurich on Wednesday. The Argentina striker scored the only goal after 21 minutes at the Bernabeu to send Real closer to the knockouts. The Spanish titans lead Group C with 10 points, while Zurich are bottom with three. In Italy, AC Milan failed to seal qualification after being held to a 1-1 draw by Marseille at San Siro. Marco Boriello's 10th minute opener for Milan was cancelled out by Lucho Gonzalez six minutes later. Milan, who have eight points, are two behind Real as Marseille have seven points in third place, one match before the end. Chelsea Ensure Supremacy In Group D, Chelsea made sure to be finishing top by beating Porto 1-0 in Portugal, courtesy of a header from Nicolas Anelka. In the other match, Atletico Madrid played out a 1-1 draw with APOEL Nicosia in Cyprus to leave it late for the UEFA Cup tie. Nenad Mirosavljevic scored for the Cypriot champions after five minutes, but Simao equalized after the break.