Tottenham hero Darren Anderton can see Harry Kane only leaving for one of Spain's big two.
"I think most players need to have competition to improve their game, but I don't think Kane needs it," Anderton told sportingbet.com.
"He's young and hungry and I think the fact he went out on loan so often to lower league clubs when he was younger, it's really toughened him up – especially mentally as he's got so much belief in his ability and desire to be at the top. He's a dream for a manager as he's always got his foot on the pedal.
"Harry's the top man at the club and the one player they can't afford to lose. I think he loves the club and wouldn't want to force a move, but if Real Madrid or Barcelona come knocking, he could go."