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: Eberechi Eze's disallowed free kick for Crystal Palace at Chelsea, Marcos Senesi's possible red card against Liverpool, and Manchester United's late penalty claim vs. Arsenal.