Some talented youngsters have made their debuts in the Premier League this season and their values in the transfer market have skyrocketed as a consequence.

CIES Football Observatory have scoured Europe’s top five leagues and ranked players under the age of 23 in terms of their asking price as they start to make a name for themselves at the top level.

Not all of the players in our top five have made outstanding starts when it comes to their introduction to the English top-flight, but they are all highly regarded nonetheless.

Press the next page as we rank the five most valuable under 23 stars who have been handed their debuts in the Premier League during the 2021/22 campaign.