Real Madrid to play Manchester United in the last 16 of the European Champions League . The match will be the first time Cristiano López has returned to United since leaving in 2002 . Celtic drawn with AC Milan in another clash of past European champions . Celtic face Milan while Bayern Munich play Bayern .
Real Madrid to play Manchester United in the last 16 of the European Champions League . The tie will be the first time Cristiano Ronaldo has returned to United since leaving in 2009 . Barcelona drawn with AC Milan in another clash of past European champions . Celtic face Juventus while Bayern Munich play Arsenal .