Getty ImagesRichard MillsUnemployed David de Gea spotted training in Man Utd kit as goalkeeper's search for new club drags onDavid De GeaManchester UnitedPremier LeagueFree agent David de Gea posted a video of himself training in a Manchester United kit as his search for a new club continues. Article continues belowArticle continues belowArticle continues belowDe Gea released by Man Utd last summerGoalkeeper still searching for a new clubPosts videos of him in Red Devils training kitArticle continues below