“The truth is Chelsea haven’t been in a great moment, above all losing the other day in home. Today it was important to win to make the fans happy and to recover our confidence.”

The controversial striker clashed with Porto’s goalkeeper Iker Casillas during Chelsea’s 2-0 win over Porto in the Champions League on Wednesday, but the striker has played down the incident.

“Nothing happened with Iker, we just had a joke, there are no problems with him,” said the striker.

“How can I have problems with the captain of the Spain team?”