LIVERPOOL, England — The distance between Everton’s iconic stadium, Goodison Park, and Liverpool’s Anfield home measures at little more than half a mile. Separated only by Stanley Park — where Everton played during the club’s most formative years — Merseyside’s footballing giants have spent more than a century as neighbours, bonded by a sense of territorial kinship, even as the fortunes of the two clubs have veered in drastically different…