Premier League duo Radamel Falcao and Sergio Aguero star in Puma video . South American strikers feature in advert ahead of Old Trafford derby . Old Trafford City travel to Manchester looking to salvage their poor season . Old Trafford United are looking for Champions League spot after slow start .
Premier League duo Radamel Falcao and Sergio Aguero star in Puma video . South American strikers feature in advert ahead of Manchester derby . Manchester City travel to Old Trafford looking to salvage their poor season . Manchester United are looking for Champions League spot after slow start .