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: Was the VAR right to advise a red card for Brentford's Christian Nørgaard at Everton? Was Southampton's penalty against Liverpool the correct decision? And should Saints have had a second spot kick?