The Premier League has embraced the brave new world of VAR, but technology has already sparked controversy on the opening weekend.
Defending champions Manchester City opened their campaign with a trip to West Ham.
Video assistance was available to the match officials at the London Stadium and was called upon on several occasions.
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One incident in particular, though, sparked bemusement among those on and off the field.
Gabriel Jesus, who broke the deadlock midway through the first half, thought he had a second of the game shortly after Raheem Sterling had doubled City’s lead.