The League cup has a long history of showcasing the best emerging talent at top clubs.
David Beckham, Cesc Fabregas and John Terry are among the global superstars who made their first club appearances in the competition, and it remains a stage for youngsters to demonstrate they are ready for first-team football.
On Tuesday night Arsenal, Liverpool and Tottenham all gave chances to some of their new generation of young stars. Sportsmail takes a look at their chances of making it to the top...
ARSENAL
Emiliano Martinez
Position: Goalkeeper Age: 24 Nationality: Argentinian First team chance: 5/10
The oldest of the 'youngsters' on show on Tuesday, Martinez is still relatively youthful for a goalkeeper, and the big shot-stopper is still rated as a player with a big future by Arsenal.