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17th December 2018
10:05am GMT

Former Brazil and Real Madrid left-back Roberto Carlos (Credit: Jamie McDonald / Allsport)[/caption]
While he gained a reputation for leathering free-kicks into the top corner, an under-appreciated attribute of his was an ability to outpace the opposing defence before whipping a cross in.
If you’re a footballer or just want to improve your speed, one thing’s for certain - don't scrimp on squats.
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