Barcelona was so lucrative that it has even stunned two NBA stars. Argentina icon Messi's Barcelona deal expired on June 30, which means he is now a free agent and can sign for any club in the world.
But he remains in negotiations over fresh terms with the Nou Camp club and is still unlikely to make a sensational move elsewhere.
Barca are in a financial crisis meaning Messi will almost certainly have to take a pay-cut to stay. But that will hardly be a problem for the six-time Ballon d'Or winner, after details of his mouthwatering contract were revealed.
Leaks from Spain suggest Messi earned a staggering €555,237,619 (£491m), across a four-year contract.El Mundo reported in January that the 34-year-old was taking home what worked out at.
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