#2 Isco (£70,000-a-week)
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Europe's Golden Boy in 2012, Isco was considered as one of the world's most exciting attacking midfielders. Joining Real Madrid in the summer of 2013, it took time but the creative Spaniard has gradually become an integral part of their midfield.
Skillful, a natural dribbler and accurate passer over both short and long distances, Isco's presence creates serious problems for defenders to deal with. He has helped Real to win three Champions League titles in a four-year spell, while creating chances aplenty across all competitions when given opportunities to justify his worth.
At just 25, he represents Real's present and future for years to come. The fact that he earns a mere £70,000-a-week with Los Blancos is a real surprise. In the grand scheme of things, it's ultimately not a small salary by any means but is significantly less than players like Manchester United's Jesse Lingard and City winger Raheem Sterling earn - though he's better than both.
Unlike some others in this list, Isco is not expected to leave Real anytime soon. However, you'd expect them to increase his wages to reward him after some dazzling displays.