Maupay, Rabiot, Zouma, Varane, Matuidi, Cabaye, Thauvin, Eysseric (sp?), Corchia, Umtiti, Imbula, Laporte, Griezman.
Any will be good enough for your first team, Matuidi and Cabaye are in there because they're particularly good value for money even if they're not the youngest.