How soccer players train for chaos

Are soccer players the most fit athletes on the planet?

Soccer might be one of the hardest sports to train for. Players need endurance to run for 90 minutes, with only one 15-minute break. And in the World Cup knockout rounds, if there is a tie, match time could extend to 120 minutes. Over the course of a game, the average player runs between six and eight miles. But endurance is just a piece of the puzzle. Players also need to be capable of explosive acceleration, quick stops, jumping, and have a surprising amount of upper body strength.

Plus, soccer is really hard to predict. Unlike sports like cycling or........

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