Barcelona young star Pedri is reportedly set to be ruled out of action for four weeks.
The Spanish midfielder limped out of the 2-2 draw with Manchester United on Thursday.
According to reports in Spain, He is set to miss the second leg against Manchester United and the Copa Del Rey clash with Real Madrid.
“FC Barcelona’s Pedri has injured the rectus femoris muscle in his right thigh (hamstring),” Barcelona said in a statement.
“The news comes as real blow to Barca, for Pedri has been in tremendous form of late and has played a key role in the long unbeaten run.”
Barcelona have already lost Sergio Busquets and Ousmane Dembele to injuries.
Xavi Hernandez’s men are eight points clear of second-placed Real Madrid in the La Liga title race, they will take on Cadiz on Sunday.