"This is my third title with City and it's just a relief not to have to wait the final day this time!" said Sergio.
"We didn't want or played simple, everything was slow, one more flick, trick, turn".
Mourinho claimed afterwards that he had not been happy after the City result because he knew they would win the league regardless and he accused some of his players of getting carried away.
"Playing in the Champions League at that age, sometimes it is complicated".
Achieve what has already been laid out and City will be title winners with four records broken since United's dismantling to West Brom. But the surprise 1-0 defeat, secured by Jay Rodriguez's second-half header, meant Pep Guardiola's side were crowned champions without kicking a football again.
"They wilted at Anfield in the Champions League and collapsed at their own title party a few days later, caught in a whirlwind as Manchester United swarmed all over them, back from the dead when all hope had looked lost".
City's victory in 2014 was also not made certain until the 38th match of the season. When you say: "Pep, what you have done in Barcelona or Bayern Munich is it possible to do that without those big players?" "You can't take [winning the league] for granted, I've won three now but there's so many we've missed".
The Premier League's record points tally of 95, set by Chelsea in 2004-05, is within City's reach if they can take nine from their last fixtures.
Jay Rodriguez headed the only goal of a boring encounter at Old Trafford on Sunday, handing the bottom-placed Baggies a 1-0 victory that confirmed Premier League leaders City as champions.
Here are some of the records that City have broken and some they could manage to break by the end of the season.
Reflecting on the latest round of Premier League matches, Richard Jolly selects his team of the week.
"It's the same feeling as the first time, you can't describe it", Kompany told Sky Sports.
BBC Match of the Day pundits describe City's performances as "sensational", and with 15 points still left to play for City's title-winning season, it could get even better.
"I noticed within the first month that if I'd met him at 18 or 20 [years old] then I would've been the flawless player for him", Kompany said.
Speaking after Saturday's 3-1 win over Tottenham, the 47-year-old gave all the credit to his players.