Not even the most enthusiastic City or West Brom fan could have predicted this - Darren Moore's side were without a win in their last 15 away league games and United were on a run of five straight league victories.
West Brom's 1-0 victory over Manchester United handed the Premier League title to Manchester City.
Mourinho suggested he had already congratulated his rivals in advance.
While they missed out narrowly on that particular record, here are some of the best Opta numbers from City's special Premier League season.
However, several more opportunities await Manchester City to rewrite Premier League history books, starting by beating Chelsea's best-ever tally of 30 wins in a season.
Manchester United looked to be heading for an embarrassing loss to the Citizens after first-half goals from Vincent Kompany and Ilkay Gundogan.
Realistically it was always a matter of when and not if City would become English champions for a fifth time following a dominant season from the blue half of Manchester.
"Eight titles are eight titles and three Premier Leagues are three Premier Leagues". I'm not sure the man himself could quite believe it.
"After last week we wanted to keep going with the same spirit". I think with my experience you don't win titles with inconsistency. He has also scored in every match he has played in the FA Cup so far, with United through to face Tottenham in the semi finals at Wembley. They have dropped a league-high 26 points from winning positions this season.
"I'm buzzing, over the moon, so happy".
After winning 85 per cent of their opening 13 Premier League games against West Brom (W11 D2 L0), Manchester United have won just 40 per cent of their last 10 against them (W4 D3 L3).