Ronald Koeman sent 10 youth players to Germany with the first team as part of Barcelona's pre-season, and all of the youngsters had earned their place on the mini tour. Koeman is giving these players more and more prominence as pre-season has progressed, and it's clear to see that the Blaugrana have a promising future. Five players in particular have impressed the Dutchman: Nico Gonzalez, Yusuf Demir, Gavi, Alejandro Balde and Rey Manaj. Of those five, Nico, Demir and Gavi all have a serious chance of getting senior minutes throughout the course...