Just over 90 days have passed since what was undeniably the lowest point of Manchester United's Premier League season.
After making a miserable start to the campaign, Ole Gunnar Solskjaer watched on as his men were annihilated by Jose Mourinho's Tottenham upon their own turf.
On that fateful afternoon Old Trafford became a mausoleum, as Spurs ran riot and condemned United to a painful 6-1 death as the football world watched on.
It felt like the end of the road for Solskjaer, but now it appears to have been a moment of clarity. Since, United have risen from strength to strength.
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Ole Gunnar Solskjaer has overseen Manchester United's miraculous rise to the top of the table
An exit from the Champions League has enabled the Red Devils to look at the season ahead, taking a holistic approach and realising maximum priority now rests with the Premier League.
The results have piled in thick and fast, with United winning eight of their last ten league games, while drawing twice against Manchester City and Leicester respectively.
It represents an astronomical turnaround, with United now level on points at the top of the table with bitter rivals Liverpool. The two sides will soon meet at Anfield, and United could well pull clear of the rest of the division.
With things looking increasingly rosy at Old Trafford, Sportsmail takes a deeper dive into the changes that have been made, and how Solskjaer has fine-tuned his red machine to deliver optimum performance.Martial law
No one player encapsulates United's miraculous turnaround more than Anthony Martial.
The Frenchman is back to his best and popping up in those crucial moments to make the difference.
Martial is now looking every inch the forward United though they had signed from Monaco in September 2015.
Anthony Martial has been encapsulated United's turnaround and looks like the real dealInsurance Loans Mortgage Attorney Credit Lawyer
In recent weeks Martial has regained his confidence, and took command against Villa by putting his side ahead.
The threat of Martial upfront is, in turn, allowing Marcus Rashford to flourish. The Mancunian is accustomed to playing slightly off the Frenchman, and the panic of opposition defences in dealing with the movement of Martial has allowed the goals to flow.
It is quite the transformation for Martial, who epitomized United's misery on that forgettable afternoon against Spurs by seeing himself hit with the ultimate public humiliation and being sent off.Wan-Bissaka the attacker
An enduring criticism of £50m man Aaron Wan-Bissaka was that he could defend resolutely, but was seen to be unable to fulfill the role of the modern day full-back in getting forward.
After each United game clips would regularly circulate on social media, showing the youngster attempting to overlap his midfielder before either losing possession or failing to execute a cross.
It certainly cannot have helped confidence, and United early season slump continued.
Solskajer kept patience with Aaron Wan-Bissaka and his attacking intent is now being seen
Now, however, something has clicked. Solskjaer has afforded time and patience for Wan-Bissaka; a player he has repeatedly backed in public interview.
The 23-year-old has clearly worked to overhaul his game, and this was evidenced clearly enough against Villa with his pinpoint cross to pick out Martial and get United on the goal trail.
In recent weeks United supporters have noted how the former Crystal Palace man now not only looks to break up opposition attacks, but instead focuses on how best to quick transition his own runs so as to immediate aid United's counter-attacking play.
This is the preferred approach under Solskjaer, and Wan-Bissaka's struggles to adapt to this style in the infancy of the campaign caused myriad teething issues.
Now, both Wan-Bissaka and those around him are chomping at the bit, with many supporters delighted to point out that he now has an equal amount of goals and assists to Chelsea's £70m man Kai Havertz, after the same number of games played.Sussing the Pogba conundrum
In early December Paul Pogba's agent, the infamous Mino Raoila, decided to play his Trump card and declare the Frenchman's time at Old Trafford was 'over.'
The comments followed rather coincidentally on from Pogba's late goal-scoring cameo against West Ham, and they were enough to potentially de-rail United's then slowly blossoming form.
Except Solskjaer refused to let this happen.
Paul Pogba is being used on United's terms and knows he must show form if he wants to leave
Since, the United boss has used