#4 on this list says "get football fit".

Now your head is in the right place, it’s time to build the key cornerstone of every professional player: a match-ready body. And gone are the days of cross-country runs and bulk-building weight sessions. As elite strength and conditioning coach Nick Grantham explains, football is “characterised by a high number of brief, high-intensity movements”. For this, you’ll need stamina and leg power, core strength and agility, raw pace and a prodigious leap, not to mention the ability to speed up, slow down and change direction. Over and over again. Nobody said it would be easy.


Read more at:

http://www.fourfourtwo.com/us/performance/training/how-become-professional-footballer#HpfL8kKMUL5WmRg5.99

http://www.fourfourtwo.com/us/performance/training/how-become-professional-footballer