Sergio Aguero, with his 150th league goal, David Silva and Leroy Sane were also on the mark as Pep Guardiola’s side continued their unbeaten start to their title defence. Raheem Sterling, pictured scoring Manchester City’s fourth goal, was in superb form as the Premier League champions returned to the top of the table with a 6-1 thrashing of Southampton. (AFP/Paul ELLIS) MANCHESTER: Raheem Sterling scored twice fresh from agreeing a new five-year contract with Manchester City as the champions swept aside Southampton 6-1 on Sunday (Nov 4) to return to the top of the Premier League table. Sergio Aguero, with his 150th league goal, David Silva and Leroy Sane were also on the mark as Pep Guardiola’s side continued their unbeaten start to their title defence. “We played excellent, without and especially with the ball,” Guardiola told the BBC as he insisted there was more to come from England international Sterling. “He is more mature now than he was when we first met at the club…He is 23 and he can be a better player.” Southampton had the minor consolation of becoming the first team in 630 minutes to score against City but the leaders’ form is ominous for the…