The frequent collisions that occur in soccer result in a high rate of injuries for players. For this reason, Calvert and the other coaches at Master also earned licenses to treat sports-related injuries in children. This ensures that if any children get hurt in the heat of competition, the coaches can provide immediate first aid. "We also make use of an age-grouping system long in use in England," explains Chandler.
經常性的身體衝撞造成足球員的高受傷率，也因此，除了足球教練證書，包括丹尼爾在內的「明星」教練群也都分別修課，取得了兒童運動傷害防護員的執照，以確保小朋友在激烈競爭時萬一發生意外，能夠立刻進行第一線處理。