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 TRANS PISA state-of-the-art gym facilities are now part and parcel of the world's wealthiest teams.
Earlier this month, Sport Lisboa e Benfica - one of Portugal's most historic and successful clubs - gave
'Now, data is another tool to help us to improve the players and the team.'