"It's normal after what happened last season that people ask about him", Guardiola said.
The recent global break has again seen City winger Leroy Sane in the headlines over his slow start to the new season. Last season he was fined by the Football Association for wearing a yellow ribbon in support of imprisoned Catalan politicians.
A return to action for the 27-year-old isn't imminent but it isn't impossible that he could be back on the pitch ahead of schedule if his recovery continues to go well.
"It's a challenge for all of them and it's a challenge for me, the manager, to keep the level and it's a challenge for the players to keep their level and compete with their mates".
His body language is the same as last season and he was the best young player in the league. I had just one chance to do it as a player. We took it on with some incredible players, a young president (Joan Laporta), Txiki (Begiristain).it was a generation of brutal players and the best player in the world (Lionel Messi).More news: 'Naive' to expect quick settling of island dispute with Japan: Putin
"After two or three days of training with him, he came to me and said, "I like this one".
'After, it is the club and the agent.
"Sometimes this kind of thing needs time". The clause is €250m (£223m).
"He's very good and is a very dynamic player", Guardiola said. "And I said, "When there is trouble, he will be there".
The ex-Barcelona coach told a press conference (via Goal's Sam Lee): "I don't know what is his release clause. It is not as straightforward for Pep as: 'Oh, I'll just give Phil a game'".