Barcelona striker Robert Lewandowski scored a second-half hat-trick to help his side fight back to claim a hard-fought 4-2 win over Valencia, who were leading 2-1 when they were reduced to 10 men just before the break.
Fermin Lopez’s header from a Raphinha cross put Barca in front after 22 minutes, but Valencia’s Hugo Duro struck in the 27th and Pepelu scored from the spot after a foul by Ronald Araujo 11 minutes later to give the visitors the lead.
But after Valencia keeper Giorgi Mamardashvili saw red f
