text: With the confirmation of Danilo's summer switch to Real Madrid, Porto have now received a whopping £440million from player sales in the last 11 years. Since winning the Champions League under Jose Mourinho in 2004 the Portuguese champions have made a habit of selling on players for huge profits. Aided by lenient work permit laws in Portugal owing to the country's close relationship with Brazil the majority of these deals have involved South Americans. Porto and Brazil right back Danilo will join Real Madrid in the summer in a deal worth £23million . Jose Mourinho celebrates winning the 2004 Champions League with the Portuguese club . Nineteen of the 29 players featured in the table below have South American backgrounds such as now-Real Madrid superstar James Rodriguez. In a deal typical of how Porto operate, Rodriguez was signed for a small sum from Argentinian side Banfield before being sold on to wealthy Europeans Monaco three years later for nearly eight times the price. It is a sustainable model which clearly works. Real Madrid superstar James Rodriguez is another player off the Porto production line . James scores against Manchester City playing for Porto at the Etihad Stadium in 2012 . Porto have reached the last eight of this year's Champions League and have won seven of a possible 10 league titles since 2004. They have progressed past the Champions League group stages in seven of the past 10 seasons and also won the Europa League in 2011. Brazil international right back Danilo may be on his way but there are sure to be more to come off a production line that includes Pepe, Joao Moutinho and Hulk. Colombian international striker Jackson Martinez is another who could move on in the summer with Arsenal among those keeping tabs. *Based on exchange rates as of April 2, 2015 . **Porto received 55.6 per cent of transfer fee . ***Porto received 80 per cent of transfer fee .
target: Danilo this week agreed to join Real Madrid in the summer for £23million .
  Transfer will take total raised from player sales to £440m since 2004 .
  James Rodriguez, Pepe and Radamel Falcao among those sold by Porto .
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