July 4 : Spain and Portugal will drag a year's worth of Iberian needle into the Texas heat on Monday, when the World Cup round of 16 serves up a rematch of last year's Nations League final and a clash of generations between Cristiano Ronaldo and Lamine Yamal.Portugal won that final on penalties after a 2-2 draw, spoiling Spain's attempt to defend their title and add another trophy to the European Championship crown they had claimed a year earlier.For Luis de la Fuente's side, it remains the one blot on an otherwise gleaming three-year run that began with the 2023 Nations League title and has now stretched to 34 matches unbeaten.Spain, smooth on the ball, ruthless in exploiting space and miserly at the back, have not conceded a World Cup goal since their group match against Japan at Qatar 2