The director Marina Granovskaia remains his eyes and ears at the club and was instrumental in the appointment of the Italian last summer.
While Tottenham are still outsiders to win their first English title since 1961, their ability to stay in contention, despite injuries to key players Harry Kane and Dele Alli suggests they shouldn't be completely written off. Five games in the space of 14 days is elite.
Aguero's afternoon could have been even more profitable as he missed a sitter in the early stages and later headed against the bar.
Insisting he was happy for Vardy to take the penalty, Puel said: "I gave him the opportunity".
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Assistant Gianfranco Zola appeared to be the one leading the session while Sarri was involved in a deep discussion on the touchline with captain Cesar Azpilicueta.
But if there is anything working in Sarri's favour, it's that Abramovich himself is in a very different situation to when he issued marching orders to previous Chelsea managers. "People expect with a new manager and buying players it comes immediately, but it needs time". Eden Hazard has nearly single-handedly carried Chelsea at times this season, but has also been singled out by his boss.
"And what I do know for sure is the club will not accept that, the owner will not accept that and history shows that when the team is not playing at the level that is required and expected for a club like that, what they have achieved over the years, they do take measures".
Sarri was not wearing his usual Chelsea kit as he came into the training ground for his post-match debrief and instead watched the practice at the club's Cobham base in his own clothing.
"He looks totally out of the role he played last season".
They also face United in the fifth round of the FA Cup next Monday, have the onerous task of taking on City again in the League Cup final on February 24 and face Malmo in the last 32 when the Europa League returns this week.
And reading Roman Abramovich's intentions, especially at the moment, will prove particularly tough.