Zlatan Ibrahimovic scored twice on his home debut as Manchester United claimed a comfortable Premier League win over Southampton at Old Trafford. Sergio Aguero and Nolito scored twice as Manchester City resisted Stoke's second-half comeback to continue their winning start under Pep Guardiola. First-half goals from Sam Vokes and Andre Gray gave Burnley a surprise win over Liverpool, who could not recover after some disastrous defending. Hull secured victory late on at Swansea City to maintain their unlikely winning start to the Premier League season.