Data tracking and technology has become as important to big football teams as their armies of coaching staff.
An array of sensors, GPS tracking systems and state-of-the-art gym facilities are now part and parcel of the world's wealthiest teams.
Earlier this month, Sport TRAVESTIS LISBOA ACOMPANHANTES e Benfica - one of Portugal's most historic and successful clubs - gave
The tech-heavy training school houses some of the most advanced sport science data and tracking systems in the world.
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Benfica's state-of-the-art training facilities, propped up by its data systems, have helped them to win four domestic Primeira Liga titles on the trot on top of earning more than £270 million ($350m) in player transfer fees in the past six years
These systems have helped Benfica win four domestic Primeira Liga titles on the trot, on top of earning more than £270 million ($350 million) in player transfer fees over the past six years.
'Until recently, the players went into the field and it was up to them,' former Benfica and Portugal striker Nuno Gomes, now general manager of the Caixa Futebol Campus, told Wired.
'Now, data is another tool to help us to improve the players and the team.'
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The Caixa campus consists of seven grass pitches, two artificial fields and a 360S facility - a 'playable' indoor lab that records player agility and accuracy.
The 360S lab includes canons to fire footballs at players and LED lights to provide ever-changing targets, as well as an array of sensors and computers.
Benfica's Caixa Campus includes a halls of residence for 65 youth team members, who are put to the test each day as they try and break into the club's first team.
<div class="art-ins mol-factbox sciencetech" data-version="2" id="mol-01b5f2d0-4214-11e7-a037-b5987b5fba70" website the world's best football clubs use data