YouTube Christian Polanco and Alexis Guerreros react to Real Madrid’s win over Barcelona in El Clásico. Vinicius Junior was unhappy after being subbed off and reportedly threatened to leave the team.

It only took a few plays during practice before Real Madrid legend Joe Arlauckas was astounded by a young Luka Doncic 's elite all-around game. But while everyone hyped young Luka up, Arlauckas wanted the then-17-year-old Luka to prepare not only for the tough competition that awaits him but also for the outside dangers that come with greatness.

For years, Vinicius Jr. has been one of the first names on the Real Madrid team sheet, but recent frustrations under new Real Madrid manager Xabi Alonso have brought questions about the Brazilian's future to the forefront.

Vinícius Júnior has apologized for his outburst toward Real Madrid coach Xabi Alonso after being replaced in the clasico against Barcelona, blaming his “passion” and “competitive nature”. “I want to apologize to all Madrid fans for my reaction after being substituted,