A generational star and a prodigious teenager. Neighboring nations in a final match. It's Spain and Portugal for the Nations League title.

Portugal and Spain are set to clash this Sunday in a highly anticipated UEFA Nations League finals matchup, vying for another prestigious international title. One of the key questions on everyone's mind is whether Cristiano Ronaldo will take the field today.

Portugal captain Cristiano Ronaldo acknowledged he was "another generation" to Spain starlet Lamine Yamal but said Sunday's Nations League final was more than just a battle between the duo. Both Spain and Portugal have already won the Nations League.