Everton are seemingly in a constant battle to retain their elite assets, and have been almost entirely throughout the Premier League era. It has hardly been a profitable period for the Toffees, who boast just a sole major honour since that 1992 inception. As such, the top-level stars that have graced Goodison Park have been left frustrated at the lack of ambition and ability to challenge for those elite honours, very often leaving for pastures new. Wayne Rooney did it to good effect, as did John Stones, but the grass is not always greener for some. Ross Barkley’s 2018 move to Chelsea should re…