It seems João Félix had a poor performance and his performance was weak enough to make Xavi mad at this player. Before João Félix joined Barcelona he said how loved this team and he wanted to play for Barcelona but this player mostly couldn't have good performances since he started playing for Barcelona,
In the game between Barcelona and Almería, the performance of João Félix was weak enough to make Xavi not use this player in the best squad in the game against Las Palmas.
Barcelona are not in good shape, they have been struggling from one form to another without having exactly what to pin down this season, though they have good standings to boost their performance this season, they just need time to build up and become a better version of themselves. Barcelona coach, Xavi Hernandez is in charge and have specialized in dealing with the obstacles he would be facing this season. Barcelona have outstanding players but this players doesn't have bIn the game between Barcelona and Almería, the performance of João Félix was weak enough to make Xavi not use this player in the best squad in the game against Las Palmas.
Joao Felix is an important player for Barcelona, he has achieved quite major role in the frontline.