Carlo Ancelotti continues to work wonders at Everton, whose charge up the table goes on, but Watford missed an opportunity on the road.
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Mohamed Salah scored twice as runaway leaders Liverpool cruised past Southampton, while Everton came back from 2-0 down to beat Watford.
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Tranmere Rovers teed up an FA Cup tie against 12-time winners Manchester United after defeating Watford 2-1 at Prenton Park.
Arsenal were down to 10 men for over an hour but still held Chelsea to a 2-2 draw in the pick of the Premier League action on Tuesday.
Sergio Aguero's late double looked to have given the champions three points, but a Fernandinho own goal denied Manchester City.
Despite a fire alarm in his post-match news conference and a frustrating draw against Watford, Jose Mourinho preferred to remain positive.
Tottenham manager Jose Mourinho accepted Erik Lamela being denied a goal by millimetres at Vicarage Road but appeared unhappy with VAR.
Tottenham were unable to break down Watford and were grateful to Paulo Gazzaniga for claiming a point.