Mark Chapman reviews the day's Premier League action, including Arsenal v Tottenham Hotspur at Emirates Stadium and Liverpool v West Ham United at London Stadium. Arsenal took north London bragging rights last term with home and away derby wins, but Spurs had made an encouraging start to the new campaign. The clash in Merseyside also featured two teams who had started the season strongly, with the Hammers looking for a first away win against the Reds since 2015. Plus, Brighton & Hove Albion v Bournemouth, Chelsea v Aston Villa, Sheffield United v Newcastle United, and a round-up of yesterday's goals.