BBC Sport:
"We will assess him tomorrow. Hopefully he'll be all right for the Real Madrid game .
Ferguson added:
"He tried to play on but it was obvious he wasn't going to make it."
United are currently 15 points clear of rivals and champions Manchester City who have had a disappointing Premier League campaign. Uniteds next game is at home to Norwich on Saturday before facing welcoming the return of Cristiano Ronaldo to Old Trafford on the 5th March. If there was ever a time Manchester United needed Robin van Persie it is now. Robin van Persie has been a key player for Manchester United all season after joining from Arsenal in the summer transfer window. He has now scored 19 Premier League goals for his new club and is the current top goal scorer in the league.