The defender was again impressive in the Champions League win against Napoli.
Xavi said: "He doesn't get nervous. He has a very calm personality. The release of the ball with him is brutal. He has the calmness to generate attacking plays, it is a spectacle to see him.
Advertisement
Advertisement
"We must be proud of the work of La Masia. When he has the ball, my heart rate doesn't go up. I'm calm. He plays with sense. He's wonderful. He's a very rational boy. With a very well-equipped, slow-paced brain... he asks us for videos, to improve... his interest in improving makes him better every day.
"We are facing a wonderful emergence for Barcelona and Spanish football."