The return of the Champions League brings a wealth of exciting talent into the global spotlight - and the shop window for Europe's elite clubs. Reds fan Amir Rashid picks five young players he'd like Sir Alex's scouts to keep a close eye on...
Sergio Aguero Atletico Madrid Forward
I think Aguero is the kind of star that would shine at Old Trafford. Even at 21, he's one of the most coveted forwards in world football. Tricky, pacey and strong, especially for someone who stands at 5 feet 7 inches. The son-in-law of Diego Maradona, he's established himself in the Argentina team and been linked with Chelsea and United. After we missed out on Karim Benzema, Aguero is the type of striker that could form a lethal partnership alongside Wayne Rooney. He'll almost certainly be available next summer and should he impress in the Champions League again this season, he'll surely attract similar admirers.
Yoann Gourcuff Bordeaux Midfielder
Milan recognised this special talent when they bought him from Rennes aged 19. Unable to settle and lacking first-team opportunities in Italy, he was loaned to Bordeaux where ex-Red defender Laurent Blanc gave him the role he desired in central midfield. The young Frenchman, who naturally has drawn comparisons with Zinedine Zidane, then led the French side to their first league championship in 10 years. The defining moment of his season was a beautifully-crafted goal against PSG - he pirouetted past the oncoming defender before knocking it past another and blasting the ball into the net. Milan reportedly regret their decision to install a £12million release clause in the loan contract and sent a delegation to convince the midfield ace to stay with them. This is a big season for Gourcuff who is now 23 and he could well provide the goalscoring midfielder