Bernardo Silva of Manchester City scores his team's fourth goal past Ben Foster of Watford during the Premier League match between Manchester City and Watford FC at Etihad Stadium on September 21, 2019 in Manchester, United Kingdom.
(Photo by(CNN) - Questions were asked about Manchester City's English Premier League title defense after defeat by Norwich City.
A 8-0 win over Watford on Saturday provided a comprehensive answer that Pep Guardiola's team is determined to keep league leaders Liverpool in their sights.
Five goals came in the opening 20 minutes as Watford suffered another embarrassing defeat by City after last season's 6-0 thrashing in the FA Cup final.
Bernardo Silva scored a hat-trick, with City's other goals coming from David Silva, Sergio Aguero, Riyad Mahrez, Nicolas Otamendi and Kevin de Bruyne.