Sergio Aguero's hat-trick against Chelsea sees him become Manchester City's all-time record league goalscorer. The only reason I came to City, the chairman and the people here, they believe in me and don't think badly when I lose. At the beginning [of the season] it worked. I am anxious about my team and the performance, but my job?
"Six goals against Chelsea is not easy and we are so pleased for this week".
Asked if it was one of City's best performances of his reign, Guardiola said: "Yes, we played good".
Sarri's tactical approach will be further tested should Chelsea's poor form continue and they fall further behind in the race for the top four and Champions League qualification.
Guardiola was able to rest City's hat-trick hero, De Bruyne and Fernandinho for the closing stages and Sterling tapped in a cross from the lively Zinchenko for a simple sixth.
He said: "I don't know, you have to ask the club".
"At the beginning we played better away than at home, now we play better at home, so something has changed and I am not able to see the reason, so I have to work for this", Sarri continued. Standing between Chelsea and the League Cup is City in the final on February 24 at Wembley Stadium.
Sunday proved to be a good day for both Manchester clubs, then, but City were not out to do United any favours.
"We are there, we are the leaders, but Liverpool have one more game (in hand)".
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Chelsea was un-picked after only four minutes at the Etihad Stadium.
Eden Hazard went to sleep from Kevin de Bruyne's quickly taken free-kick and Bernardo Silva had acres of space to cross for the England worldwide to fire home.
"I don't know [about my future]", he added.
Aguero was substituted on 64 minutes with Gabriel Jesus coming on.
It was third-placed Tottenham's fourth successive league win without injured top-scorer Harry Kane. Abramovich demands Champions League football, and Sarri is increasingly in danger of failing to deliver a top-four finish.
Kieran Trippier's corner was played short to Eriksen, who floated in an inviting cross for Davison Sanchez to power home a diving head for his first Tottenham goal in the 33rd minute.
Pochettino's side took the lead through Davinson Sanchez's first goal for the club, but they were indebted to Hugo Lloris for saving Jamie Vardy's spot-kick after the interval at Wembley.
Just as Leicester pressed for an equalizer, Son Heung-min scored a breakaway goal, racing clear from the halfway line and converting his 15th of the campaign in the first minute of stoppage time.