Real Madrid scored two late goals to win 2-0 at Osasuna and close the gap on LaLiga leaders Barcelona to four points.
Barcelona have been making moves to bolster their squad and are reportedly eyeing Eintracht Frankfurt's Evan Ndicka and Daichi Kamada.
Manchester United and Barcelona drew in the first leg of their Europa League knockout play-off at Nou Camp on Thursday night.
Barcelona coach Xavi has been impressed by the way Erik ten Hag has transformed Manchester United and helped turn Marcus Rashford into "one of the most dangerous players" in Europe.
Karim Benzema scored two penalties as Real Madrid cut Barcelona's lead at the top of LaLiga to eight points with an emphatic 4-0 win at bottom side Elche.
Barcelona goalkeeper Marc-Andre ter Stegen has highlighted the importance of midfielder Frenkie de Jong to the La Liga giants.