Scientists Explain Why VAR Is So Controversial in Football
A referee reviews the VAR before a penalty decision during the English Premier League football match between Arsenal and Everton at the Emirates Stadium in London.
Photographer: Daniel Leal/AFP/Getty ImagesThis article is for subscribers only.
Just 132 milliseconds may explain why offside decisions given in football by video assistant referees have proven so controversial, according to scientists.
Academics used motion capture technology to assess the accuracy of video assistant referees (VAR) and suggested a reason for why football struggles with offside decisions.