Chelsea are set to become the first Premier League side to experience "robot referees".
The Blues are taking part in the Club World Cup due to their winning the Champions League last season.
FIFA are giving a trial to a new limb-tracking technology that can make automatic decisions on offside plays within half a second, per the Daily Mail.
VAR officials get a quick alert from the system, and they relay information to the on-field referee.
Chelsea are set to take on either Al Hilal, Al Jazira or Pirae in their semi-final at the Club World Cup.
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