Just like old times for Chelsea! Winners & losers as Kai Havertz-inspired Blues dump Borussia Dortmund out of the Champions League

There is no underestimating just how big this result is for Potter.

It had been rumoured that his job would be on the line if his side failed to beat Leeds on Saturday and exited the Champions League three days later.

Lo and behold, Potter has come through this most testing of spells with flying colours - and you could see he enjoyed it too, as he allowed his usually calm demeanour to slip, rallying the Chelsea fans and celebrating with the Shed End at full-time.

Potter is back in business.

A costly, costly error from the midfielder, and one that likely would have gone unseen by many both in the stadium and watching at home.

As Havertz's initial penalty cannoned off the post, it was Ozcan who was on hand to clear the ball away. Seemingly excellent work, and a big let off for the visitors.

But his luck was out. A VAR review for encroachment clocked the Dortmund man was inside the 'D' as Havertz stepped up to the ball, and therefore directly affected play after the penalty miss.

It proved to be a decisive misjudgement for his side.

It would have been truly remarkable if Havertz had failed to score a goal in this game.

In the first half alone he was denied one-on-one by the goalkeeper, hit the post and had a fine finish chalked off for an offside in the lead-up.

However, his wasn't the typical goal-shy, frustrating performance Chelsea fans have become accustomed to from him of late.

Havertz's all-round game was exceptional, as he showed the kind of deft footwork and hold up play that could make him such an impressive centre-forward. His sublime flick in the build-up to Sterling's opener was evidence of that.

He worked tirelessly, and earned his reward from the penalty spot as the VAR gods shone on him and have him a reprieve after his first attempt hit the post.

Another big-game Champions League performance from Chelsea's mercurial frontman.

Bellingham would have been absolutely desperate to make an impression in what could have been a rehearsal for a future transfer to Stamford Bridge, but ultimately he came up short and almost let his emotions get the better of him.

Although he was typically silky and industrious on the ball, the English prodigy missed two gilt-edged chances to haul Dortmund back into proceedings - first side-footing wide from close-range and then nodding the ball onto the roof of the net late on.

He cut a frustrated figure as the clock ticked down, regularly getting into skirmishes with his opponents and earned a late yellow card for his troubles. His temper boiled over after the full-time whistle and he even had to be restrained.

A mightily frustrating night, but he'll be back.

A second hugely influential outing in as many games for Chilwell, who looks back to his best at left-wing back.

The England international caused Dortmund issues all night long down his flank, providing the assist for Sterling's opener and forcing the handball as he belted a cross at Marius Wolf's slightly outstretched arm.

He showed his defensive attributes in the first half, too, making a potentially goal-saving intervention to nick the ball from Raphael Guerreiro as he prepared to pull the trigger.

After much fanfare following his £89 million January arrival, this constituted a fourth game in row that Mudryk has started on the bench for Chelsea.

It was never necessarily going to be quick or easy for the Ukrainian to adapt to the demands of English football, especially given his lack of game time before departing Shakhtar Donetsk.

However, his scintillating Champions League group-stage displays are one of the reasons Chelsea pulled the trigger and signed Mudryk from under Arsenal's noses. It should be a concern that he is not featuring in his manager's plans at present.