SELECT AVG(league_goals) FROM table_name_98 WHERE fa_cup_goals = "0" AND position = "mf" AND league_cup_apps = "0" AND name = "ben thornley"
Apa gol liga ketika gol Piala FA adalah 0, posisi adalah MF, aplikasi Piala Liga 0, dan namanya Ben Thornley?
CREATE TABLE table_name_98 (league_goals INTEGER, name VARCHAR, league_cup_apps VARCHAR, fa_cup_goals VARCHAR, position VARCHAR)