Spain and Portugal renew one of international football's fiercest rivalries in Monday's World Cup Round of 16, with veteran Cristiano Ronaldo facing teenage star Lamine Yamal in a showdown that also serves as a rematch of last year's Nations League final.
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 2022.
Yet Portugal are no ordinary obstacle, especially with a midfield of Vitinha, Joao Neves and Bruno Fernandes capable of going toe-to-toe with Spain's technicians.
