Everton did well to hold onto their prized assets over the January transfer window, but they might not be so fortunate this summer. After all, despite their league position, they boast a squad littered with quality, and buoyed by an outstanding youthful core. Sean Dyche has forged a system that truly gets the very best out of most of his playing staff, with certain stars benefitting more than most. Abdoulaye Doucoure is one such figure who is reaping these rewards, but also the likes of James Garner, Amadou Onana and Jarrad Branthwaite are also thriving despite their shared inexperience. Howev…