Five clubs that could sign disenchanted Lionel Messi if he leaves Barcelona

4) Paris Saint Germain

Would It Happen: PSG have the financial muscle to make a move happen, but perhaps lack the universal appeal of a club such as Manchester United, with their global stature and history. The French league would not represent much of a challenge for Messi, as it would be a step down from his current level, and would be unlikely to appeal.