Chelsea's Jorrel Hato (left), Borussia Dortmund's Jobe Bellingham (centre) and Liverpool's Rio Ngumoha will all be hoping to make a big impact in the Champions League this season
Desire Doue was one of the teenage stars of last season as he helped Paris St-Germain win the Champions League for the first time.
Barcelona's Lamine Yamal, another teenager, was named in the team of the competition.
But which young stars will be impressing in this year's tournament?
The Champions League is back – with matches this week on Tuesday, Wednesday and Thursday. And BBC Sport has taken a look at 10 teenagers that will be aiming to make their mark this season.
In making his Juventus debut in October 2024, Vasilije Adzic was the first Montenegrin player to appear for the club since Mirko Vucinic more than a decade earlier (April 2014)
Age: 19. Position: Midfielder. Nationality: Montenegrin.