At any major tournament, such as the Hockey World League Semi Finals taking place in Antwerp, Buenos Aires and Valencia, team work is a quality that is in high demand. But, when the sides take to the pitch there is more than two sets of teams at work. While the kudos might go to the 22 athletes on the field, there are two more people whose performances are crucial to the success of the game – and at their very best they go unnoticed.
