Premier League most valuable wonderkids - including Aston Villa, Brighton, Newcastle United, Man City and Crystal Palace stars worth £453.15m

The Premier League is the most popular division in world football and is the league that everyone wants to be in.

The television deals that the top-flight of English football can attract is mouth-watering and even the teams who don't perform as well get a lot of money compared to other leagues in Europe. As a result, clubs can pay big money for players as they try and attract the best players in the world.

Performance on the pitch is the most important thing as teams try and achieve their goals, but there is also a consideration for profit, and how teams can make money. In some cases, clubs have to sell off their most prized assets which are their players, and that can either be reinvested in to the team or goes elsewhere.

In recent years, we've seen Chelsea change their tack and they've invested in the future. Long-term contracts in some cases up to eight years have been given out, but fans want to see them have some success in there and now.

You have to give credit to the young players who are under the spotlight all the time. Opportunities are being given to teenagers and they have to go from playing in front of just a few hundred or a little over a thousand to playing in sold out stadiums and appearing on television globally.

There are so many young players that we could talk about in the Premier League. Alejandro Garnacho is huge for Man United, whilst Man City have decided to keep both Rico Lewis and Ocar Bobb, rather than selling them to league rivals like they have done with other players. Other names include Lewis Hall and Lewis Miley who have both been afforded opportunities at Newcastle United whilst everyone knows of Julio Enciso at Brighton & Hove Albion.

But how do the division's best wonderkids stack up against one another when it comes to their transfer values? Here are the top 21 most expensive Under-21 players in the Premier League as per figures from Transfermarkt.