By Neil Moxley Aston Villa have raised concerns that English clubs are not being protected like their European rivals. As Unai Emery’s side host French side Lille on Thursday night, they do so against the backdrop of their opponents being given time away from their domestic schedule to prepare for the Europa Conference League quarter-final tie. The French League agreed to a fixture change last week – and have postponed matches this weekend too – allowing Paolo Fonseca’s side seven days to prepare for the return leg on their own turf. Villa have an important trip to Arsenal scheduled for Sunday…