Athletic Bilbao president Jon Uriarte insists Nico Williams isn't for sale.
The young striker has a contract with Athletic to
But Uriarte said: "The moment to broadcast from the club that you have to keep your feet on the ground it's just started.
"We are comfortable and we have to work to ensure that these players stay with us for their entire career and for this we need Athletic to be a top-level team."
