Sometimes in football, fine margins are the difference between success and failure in a game or campaign. Four years on from its introduction, VAR is still finding its feet and hitting the headlines for calamitous decisions in the English top-flight.
Arguably, it’s not the fault of the technology, but the implementation, with human error still at the forefront of the discussion. We will start with the latest incident which will make the most tolerant supporters seethe with disbelief.