He replied: "I will never be complacent. I've got so much to prove here. I have got to fight for my life to prove I am good enough to be here. I feel comfortable in relation to my position and work on the field. My promise was to fight for the club every single day.
"We're in a good moment and a good position. We've had a terrific pre-season and we've already started our competitive games in the Europa League. We now arrive into the Barclays Premier League next week with a real strong mindset and hopefully that can continue."