Netherlands manager Louis van Gaal is known for putting a lot of faith in youngsters.
Take the Ajax side Van Gaal won the Champions League with in 1995 as an example. It largely consisted of Ajax youth academy products, including Edgar Davids and Patrick Kluivert.
Almost 20 years later, not much has changed. The preliminary Netherlands squad Van Gaal announced this week looked even younger than expected.
Here, we take a look at the five youngsters you must know about before the World Cup starts.