When Busquets was stretchered off in the first half of Barca 's Copa Del Rey clash , it shot fear into the hearts of many Culers .
Mascherano filled in expertly , deputising in that role against the likes of Manchester City and Real Madrid .
When Busquets was stretchered off in the first half of Barca 's Copa Del Rey clash , it shot fear into the hearts of many Culers , but Mascherano filled in expertly , deputising in that role against the likes of Manchester City and Real Madrid .