Video Assistant Referee causes controversy every week in the Premier League, but how are decisions made, and are they correct?
After each weekend we take a look at the major incidents, to examine and explain the process both in terms of VAR protocol and the Laws of the Game.
In this week's VAR Review: How did Aston Villa's Tyrone Mings escape a red card for an elbow, yet Chelsea striker Nicolas Jackson was sent off? Why didn't Matheus Cunha see red for denial of a goal-scoring opportunity?