What it takes to be chosen as a World Cup referee – and how to ref the final

By Reagan Yip, CNN (CNN) — As 48 nations battle for World Cup glory, another group has endured a similarly grueling path to soccer’s biggest stage: the referees. This year, 52 referees, 88 assistant referees and 30 video assistant referees (VARs) have been selected. The 170-strong contingent is the largest in World Cup history, with