Manchester City striker Kelechi Iheanacho has enjoyed working with manager Pep Guardiola.
He will step in for banned Sergio Aguero in the derby showdown at Manchester United next week.
He said: “He's a winner and I believe he will bring success to the club.
“His arrival has changed the mentality of everyone because you are starting from scratch.
“The past means nothing and everyone is fighting hard to get a chance.
“It's been very good for me. He's one of the best managers in the world and I am learning a lot from him.
“He's the special one sent to Man City and, obviously, the special one for me."