But ahead of Spain's meeting with Portugal in Sunday's UEFA Nations League final (3 p.m. ET on FOX), all eyes are on Yamal and Messi's career rival Cristiano Ronaldo. Ronaldo, 40, is 23 years older than Yamal,

Portugal captain Cristiano Ronaldo is relaxed ahead of Sunday's Nations League final which has been dubbed a duel of the generations between him and Spain teenager Lamine Yamal. Ronaldo, 40, told reporters on Saturday that there have been such comparisons between him and another player.

UEFA Nations League final between Spain and Portugal approaches, Portuguese star Cristiano Ronaldo had some kind words for young Spanish star Lamine Yamal. However, he left a clear warning regarding his future.