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 the penalty that earned Everton a point against Arsenal wasn't overturned, plus the early penalty claim for Fulham against top-of-the-table Liverpool. And was there an offside error on Wolverhampton Wanderers' winner at Ipswich Town?
Everton 1-1 Arsenal
Possible penalty overturn: Lewis-Skelly challenge on Harrison
What happened: Everton were awarded a penalty at the start of the second half when referee Darren England ruled that Myles Lewis-Skelly had bundled Jack Harrison to the ground. It was checked by the VAR, Stuart Attwell (watch here).
VAR decision: Penalty stands, scored by Iliman Ndiaye.
VAR review: If the Premier League doesn't want to see soft penalties, why didn't the VAR intervene to cancel a spot kick that most people would agree should never have been awarded?