Cristiano Ronaldo was sent off as leaders Real Madrid beat Cordoba 2-1 in La Liga on Saturday thanks to late Gareth Bale penalty.
Cristiano Ronaldo grabbed a record 23rd La Liga hat-trick to guide leaders Real Madrid to a 3-0 victory over Celta Vigo. It also helped the European champions extend their club record winning streak to 18 matches in all competitions.
Vietto slotted the ball home with seven minutes to go after Karim Benzema had given visitors Real the lead early on.
Barcelona followed up last weekend's 3-1 defeat at Real Madrid with another reverse on Saturday, squandering a host of chances to lose 1-0 at home to Celta Vigo and handing the lead in La Liga to their arch rivals.