The UEFA Nations League final features an exciting fixture between two Iberian giants this weekend as Portugal lock horns with Luis de la Fuente's Spain side in a crucial encounter at the Allianz Arena in Munich on Sunday. Both teams have excellent attacking players in their ranks and will need to step up to the plate this weekend.Portugal vs Spain PreviewSpain have been exceptional over the past year and will look to make the most of their young talent. La Furia Roja scored five goals against a strong France side in the semifinals but will need to work on their defensive structure ahead of this game.Portugal have also been a consistent force on the international stage over the past year and have a point to prove going into this game. The Portuguese side pulled off a comeback in the second half to get the better of Germany in the semifinals and will need to be at its best in this fixture.Portugal vs Spain Head-to-Head and Key NumbersSpain have a good historical record against Portugal and have won 17 out of the 40 matches played between the two teams in all competitions, as opposed to Portugal's six victories.Spain have also dominated this fixture in major international competitions and have won five out of the 11 matches played between the two teams, as opposed to Portugal's one victory.Portugal have won each of their last two matches in the UEFA Nations League and have scored seven goals in these victories, with their previous defeat coming by a 1-0 margin against Denmark in the group stage.Spain are unbeaten in their last 19 matches in all competitions on the international stage, with their previous defeat coming at the hands of Colombia in March last year.Portugal vs Spain PredictionWith Lamine Yamal firing on all cylinders, Spain have become a powerful attacking force on the international stage. The likes of Pedri and Nico Williams have also been crucial to their team's success and will need to bring their skills to the fore this weekend.Portugal have an experienced squad at their disposal but have a poor record against their neighbours on the international stage. Spain are the better team at the moment and should be able to win this game.Prediction: Portugal 1-3 SpainPortugal vs Spain Betting TipsTip 1: Result - Spain to winTip 2: Game to have over 2.5 goals - YesTip 3: Spain to score first - Yes