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: We take a look at how impact is judged in different situations, from Crystal Palace's penalty claim against Liverpool, to Newcastle United's spot kick against Everton -- not to mention two offside decisions which resulting in opposite outcomes.