By Jude Summerfield Some of the biggest legends in world football have made their names in El Clasico, arguably the largest fixture in the club game. It’s Real Madrid who have emerged as Spain’s dominant force in recent years, winning multiple Champions League crowns while wrestling back the La Liga title from fierce rivals Barcelona last season. However, the Blaugrana are firmly on the comeback trail. They currently sit at the top of the division, having enjoyed a wonderful start under new manager Hansi Flick. The Catalan giants are fresh from enjoying some Champions League revenge against Ba…