Silva has been linked with Real Madrid, Barcelona, Manchester United, Chelsea and Manchester City in recent months.
“The fact is that for years and in summer there has been talk about many things but right now I’m totally focused on Spain and on my team,” he told a press conference.
“We must go slowly and not assume the tag of favourites. We know we’re in a good time but you have to go with humility and calmly, that is how winning things is achieved.
“We hope not to go to the World Cup as favourites.”