While fans want to keep hold of their star players, football is a business and Europe’s biggest sides are always looking to make money.
The likes of Manchester United, Liverpool and Tottenham have all made some astute signings before then selling the players on for huge profits.
Using data from transfermarkt, we’ve taken a look at the 10 players who have been sold for the biggest profit.
Note: this list only players who were bought for a fee before being sold on so that rules out any free transfers or academy graduates.
10. Cristiano Ronaldo – €75m profit
After embarrassing John O’Shea in a pre-season friendly in August 2003, Ronaldo left Sporting and joined Manchester United in a deal worth a reported €19m.
He then went on to win three Premier League titles, an FA Cup and the Ch …

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