The Frenchman made way for last season 's top scorer Higuain in the 72nd minute , with the Argentine lucky to avoid being booked for a blatant dive in the penalty area . World-record signing Cristiano Ronaldo scores on his debut for Real Madrid . The Portuguese star scored a hat-trick in the first leg of their Champions League semi-final against Bayern Munich at Old Trafford and then added two more goals to seal victory with an injury-time winner as they went through Raul scores opening goal and Ronaldo 's first-half penalty makes it 2-1 . Juan Carlos Valeron levels for visitors before Lassana Diarra 's 60th-minute winner .
World-record signing Cristiano Ronaldo scores on his debut for Real Madrid . The Portuguese star scored a hat-trick in the first leg of their Champions League semi-final against Bayern Munich at Old Trafford and then added two more goals to seal victory with an injury-time winner as they went through Raul scores opening goal and Ronaldo 's first-half penalty makes it 2-1 . Juan Carlos Valeron levels for visitors before Lassana Diarra 's 60th-minute winner .