The International Football Association Board (IFAB) have issued a stark warning that VAR could take a decade to fully understand, after a controversial start to its use in the Premier League.
Liverpool and Arsenal emerged from the second round of Premier League fixtures with their perfect records intact as reigning champions Manchester City surrendered theirs in controversial fashion.
Aston Villa endured a disappointing first home game of their Premier League return as early goals from Josh King and Harry Wilson condemned them to a 2-1 loss to Bournemouth.
