Raheem Sterling of Manchester City celebrates scoring his sides sixth goal during the Premier League match between Watford and Manchester City at Vicarage Road on September 16, 2017 in Watford, England.

Raheem Sterling of Manchester City celebrates scoring his sides sixth goal during the Premier League match between Watford and Manchester City at Vicarage Road on September 16, 2017 in Watford, England.

John Stones of Manchester City and Kyle Walker of Manchester City celebrate victory after the Premier League match between Watford and Manchester City at Vicarage Road on September 16, 2017 in Watford, England.

John Stones of Manchester City and Kyle Walker of Manchester City celebrate victory after the Premier League match between Watford and Manchester City at Vicarage Road on September 16, 2017 in Watford, England.

Raheem Sterling of Manchester City scores his sides sixth goal past Heurelho Gomes of Watford during the Premier League match between Watford and Manchester City at Vicarage Road on September 16, 2017 in Watford, England.

Raheem Sterling of Manchester City celebrates scoring his sides sixth goal during the Premier League match between Watford and Manchester City at Vicarage Road on September 16, 2017 in Watford, England.

Raheem Sterling of Manchester City celebrates scoring his sides sixth goal during the Premier League match between Watford and Manchester City at Vicarage Road on September 16, 2017 in Watford, England.

TOPSHOT - Manchester City's Argentinian striker Sergio Aguero celebrates scoring his third and the team's fifth goal during the English Premier League football match between Watford and Manchester City at Vicarage Road Stadium in...More

Sergio Aguero of Manchester City scores his sides fifth goal past Heurelho Gomes of Watford while under pressure from Christian Kabasele of Watford during the Premier League match between Watford and Manchester City at Vicarage Road on...More