Former England captain Rio Ferdinand believes the introduction of the Video Assistant Referee system at the World Cup has added "entertainment value" — but admits it showed its flaws on Monday night.

VAR was once again in the spotlight following a controversial penalty decision in Portugal's draw with Iran. Iran were awarded a penalty after Portugal defender Cedric Soares was adjudged to have handled the ball. The spot-kick was awarded following a VAR referral and, with Karim Ansarifard successfully converting it, Portugal finished second place behind group winners Spain.