There is a lot of work that goes into training and developing a VAR for the FIFA World Cup. This video illustrates the time, training and preparation that goes into becoming a VAR.
More information https://fifa.to/gAeKj8xoBN
Ever heard of a 'Virtual Offside Line'
We explain how #FootballTechnology will be used at Russia 2018 to help with crucial on-field decision-making.