United prevented Manchester City from sealing the title by coming back from two goals down to beat their local rivals 3-2 on Saturday, and de Gea produced yet another spectacular save.
Scored a thunderous header to hand City the lead and was uncompromising in defence by denying his compatriot Lukaku any chance at winning aerial duels.
Guardiola claimed Pogba had been offered to City in January, prompting a frenzy of scrutiny over his position at Old Trafford - but that was not what he ended up saying to the player after the match...
Mourinho picked up the pound coin that was lobbed in his direction and handed it to one of the ball boys.
"We started the game really well, but we must return to the pitch as soon as possible because on Tuesday we have another big challenge to overcome a result".
Mourinho is a sharp observer of any footballer's form and attitude and despite the club-record price tag was cold-eyed enough to exclude Pogba. Manchester City are all but Premier League champions, but they will need to wait a while longer before it can be made official.
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Despite the doomsday scenario, the Defence Committee claimed the crack pot dictator was still rational and could be reasoned with. They also suggested he could be "dissuaded from the use of nuclear weapons, by means of a policy of deterrence and containment".
Guardiola and City will be champions and they must put the disappointment of defeat in context by Tuesday when they confront their task against Jurgen Klopp's Liverpool.
The draw, though, allowed Spurs to move alongside them with a sixth straight league win as they defeated Stoke, whose relegation fears in 19th place were only heightened.
Ex-England, Chelsea and Manchester City midfielder Frank Lampard said on Match of the Day: "A lot has been spoken about him all season, for good and for bad". City's Abu-Dhabi owners have splashed an estimated 878 million euros over the past decade to assemble a squad that has tilted the balance of power in Manchester from red to blue.
The Belgian outmuscled Smalling to power home Leroy Sane's corner on 25 minutes.
Indeed, City is generally great on the ball, calm in possession and scintillating in attack. City should have been out of sight by half-time as Guardiola screamed in frustration after Sterling fired two glorious chances well over the bar.
Further goals for Ronaldo, Rooney and Dimitar Berbatov secured the win and United went on to clinch their third straight Premier League title. Pep Guardiola's side conceded three in 19 minutes at Anfield and three in 16 minutes here.
The dramatic comeback was finally consummated when Sanchez's free-kick arrived at the foot of unmarked Smalling to bury it past exposed Ederson in the 69th minute.