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: Why did it take the VAR over six minutes simply to confirm a goal for Nottingham Forest at West Ham United? Should Chelsea have been awarded a penalty for handball? And why was their spot kick against Manchester United overturned?