César Robledo has work to do, but wouldn’t have it any other way. It’s a bit before seven o’clock on Saturday evening and the big yellow bus he drives has just rolled into the Vall d’en Bas hotel in the Catalan countryside. His passengers, footballers for Union Deportiva Las Palmas, have got off, leaving him to clear up. The picnics, individually prepared in paper bags with squad numbers penciled on,…