Real Sociedad came in as league leaders, though they hadn’t beaten Barcelona at the Camp Nou in almost three decades. Barcelona played like league leaders in the first half, but La Real turned things around for the second half and the Blaugrana squeaked out the 2-1 win. So what did Koeman get right from the start? What went wrong in the second half? Most importantly, how good was Pedri (Hint – very good)?