"Cesc's adaptation is no surprise to us," he said. "He already knew how Barca operated, he'd been here a long time.
"Alexis is from another country and another league and it did surprise us a bit how well he's integrated into the team. He's a star and stars integrate into the squad quickly.
"Alexis is one of those players who has a lot of fun with his team-mates. He's very lively and spontaneous. We're all delighted with them both."