Spain and Barcelona wonderkid has won World Cup and European Championship but says there are no limits for his career Like the kid he is, Lamine Yamal just wanted to keep playing. This wasn’t Plaça Joan XXIII, wasn’t El Parque de Rocafonda either; it wasn’t the Mataró neighbourhood where it all began, but it might have been. “We’re in a World Cup final and I wanted to carry on,” he says, and there’s the smile again, the braces. Really? “Yes”. No nerves? “No. I never thought: ‘Just blow the whis…