Mourinho said: "If he has critics I am not one of them. He has people that support him every time and I am one of them.
"It is not easy for midfield players to score four goals in as many matches. In the three games he's scored for us, he has given us important points.
"So, he's sharp and mentally ready. He wants to play a great season and he's winner. He was not happy with just two cups last season and I know I can count on him."