Why PSG keep losing their young players to other clubs? 

Paris Saint-Germain Football Club, commonly referred to as Paris Saint-Germain, Paris SG, or simply Paris or PSG, is a French professional football club based in Paris. Founded in 1970, the club has traditionally worn red, blue and white kits. PSG has played their home matches at Parc des Princes in Paris since 1974.

Sandro Halank, Wikimedia Commons, CC BY-SA 4.0, CC BY-SA 4.0 , via Wikimedia Commons