The former Arsenal midfielder scored twice in Sunday's 3-0 Premier League win over Swansea, continuing his finest run of form in a City shirt to date.
|MAN CITY LATEST
|21/2||Samir Nasri is 21/2 with BetVictor to open the scoring against West Brom|
"I think he is happy," said the Chilean manager. "Maybe he feels like now he is again an important player and the way the team plays is very comfortable for him also.
"All of you know that he's a big player.
"Before he was at City I managed against him in the Champions League (when Pellegrini was in charge of Villarreal for a quarter-final against Arsenal) and he's a very, very good player.
"He's again playing in the way he knows how to play."