Everton’s errors in the transfer market have piled up to frustratingly lofty levels across the last five years or so, resulting in the most recent campaign having been ravaged by PSR ramifications. Just when they seemed set to enjoy a season free from relegation turmoil, the Premier League was on hand to drag them right back down to earth in crushing fashion. And yet, despite all these unrelenting setbacks, Everton manager Sean Dyche remains laser-focused on the task at hand. He and Kevin Thelwell seem to have struck up quite a good relationship, working together to steer the Toffees through s…