Antonio Valencia has returned to Manchester United's squad for Thursday's Europa League encounter with Athletic Bilbao - but Anderson, Nani and Phil Jones were absent from the flight to Spain.

It has been reported that Anderson is set to miss the remainder of the campaign with a hamstring injury, although as yet, there has been no official confirmation from the Old Trafford outfit.

Sir Alex Ferguson confirmed Nani had sat out Sunday's Premier League win over West Brom with "bruising" suffered during a training-ground knock, but the United boss pointedly avoided responding to an inquiry about the reason for Anderson's absence.

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