With Cristiano Ronaldo now plying his trade in Serie A, Lionel Messi's latest treble tied the Portuguese's tally of LaLiga hat-tricks.
Lionel Messi returned to Argentina's squad on Thursday, though Ernesto Valverde refused to call it a setback to Barcelona.
Former Brazil striker Ronaldo had more "talent and skill" than Cristiano Ronaldo or Lionel Messi, according to Jose Mourinho.
Lionel Messi and Gerard Pique were in attendance as Barcelona opened a new stadium named after their former player and coach, Johan Cruyff.
Antoine Griezmann says Barcelona are moving in the right direction after their 5-2 thumping of Real Betis at Camp Nou.
Lionel Messi returned to full training this week but Ernesto Valverde is in no mood to rush him back into first-team action.
Ernesto Valverde indicated the Barcelona captain would miss Friday's game and Lionel Messi is not in the squad to face Athletic Bilbao.
Barcelona captain Lionel Messi is recovering from a calf injury and Ernesto Valverde suggested he will miss the trip to Athletic Bilbao.
Barcelona confirmed Lionel Messi is out for three weeks with a broken arm, meaning he will miss big games against Inter and Real Madrid.
The final batch of nominees for the Ballon d'Or include Lionel Messi, Neymar and Kylian Mbappe.