A front runner within the wearable side of technologies is Catapult.  It has been a breakthrough company with major investors like Mark Cuban, and multinational brands Adidas, Reebok and Nike. This micro-sensor (essentially) is currently utilised by over 300 teams around the globe and it provides a more analytical perspective in “real-time”.  When partnered with the visual assistance such as Sport VU. This allows sports scientists access to a full breakdown of the game,  player performance, coordination and a series of algorithms quantifying player interactions generated by the raw data.