The Premier League’s most valuable U21 stars - including Aston Villa, Chelsea, Arsenal, Newcastle and Brighton men - gallery

The Premier League is the most famous, prestigious footballing division on the planet and it often attracts the world’s very best players as a result.

Not only does it have the largest reputation and financial backing out of any league, but also some of the best youth academies to match.

No matter whether sourced from local areas or abroad, young talent is able to flourish due to the impressive facilities boasted by Premier League clubs.

This ability to nurture, potential paired with the global attention each and every matchday gains, enables plenty of youngsters to build worldwide notability.

In turn, their values often skyrocket – especially when the transfer interest racks up from Premier League rivals and teams abroad.

But which players in particular have the highest market value? Based on the latest data from Transfermarkt, here are the 25 most valuable under-21 players in the top flight.