The German boss has guided Barcelona to top the of La Liga while trusting heavily in youth and the club's academy graduates. Teenagers Lamine Yamal and Pau Cubarsi are regulars in the first team at the tender age of just 17, while Flick has also handed game time to La Masia stars Fermin Lopez, Marc Bernal and Marc Casado. The German boss was asked about Messi's praise ahead of his team's next game against Celta Vigo and says his words mean a lot to the whole club.