"I have been at Sevilla for five years and I want to improve." he told Arena SporTV.
"I want to play in a big team and I think you have to make the most of the opportunities you have in life.
"Thank God I have won a lot of things since I came to Sevilla, but I think this is the right moment to move a step forward in my career.
"I feel that this is the moment for furthering my career in another place."