Lionel Messi called it "crazy" to face 19-year-old Lamine Yamal in the World Cup final. The final between Spain and Argentina is set for Sunday.

It will be held at MetLife Stadium in East Rutherford New Jersey. Kickoff is at 3 p.m.

Eastern Time. Yamal is the son of African migrants.

He is preparing for the match as Spain enters the final unbeaten in 37 games. Messi was once photographed holding Yamal as a baby.

That photo shows the age gap between the two players. Now they will meet on football's biggest stage.

Argentina has built a reputation for dramatic comebacks this tournament. This sets up a battle between Spain's strong form and Argentina's fighting spirit.

Argentina reached the final by beating England 2-1 in extra time. Spain beat France 2-0 to reach the final.

Spain has allowed only one goal all tournament. Goalkeeper Unai Simón set a tournament record with six clean sheets.

Argentina has scored the most goals in the tournament. Argentina has also won several matches late in games.

Spain is chasing its second World Cup title ever. Its first win came in 2010. Argentina hopes to become the first team to win back-to-back titles since Brazil in 1962.