Midfielder has risen from the bench to come up with the decisive goal in past two games – Spain’s first World Cup knockout victories since they won the tournament in 2010 “I look behind me and I see Mikel Merino and I think: ‘I’m calm as can be,’” Luis de la Fuente said when at last the heart rates had returned to normal. Everyone else’s heart rates, anyway. In those moments when time is running out and the tension is running high, there’s something about Spain’s coach. And there’s certainly som