Possibly the best striker in the world based on goals per game ratio, Cardozo has scored an unbelievable 108 goals in 113 league appearances for Benfica since he arrived in 2007 and could be one of the cheapest players in this list. The Paraguayan international is available for just £11million in January; say his club; and Barcelona are the favourites to snap him up. However the 28-year-old could fit perfectly into either of the north London clubs due to their lack of strike power and some would say he is a better version of Andy Carroll but for a third of the price.
