But that only delayed the party by one week.
The Frenchman was substituted before the hour mark at Old Trafford - a decision explained by Jose Mourinho - with United conceding the victor 15 minutes later.
Despite having close to 70 per cent possession, the hosts could only muster five shots on goal (West Brom had four) as they slumped to their second home defeat of the season.
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"We've won you the league, Manchester City, we've won you the league", sang West Brom's fans near the end of the game.
GettyAlexis Sanchez's arrival at Manchester United has been underwhelming
Goalkeeper Ederson Moraes was watching former club Benfica play Porto in the Portuguese league. They are presently on 71 points with five matches remaining. I believe in myself.
"I trust in my work, that is for sure, I have no reason not to trust".
"Unbelievable season for us", said midfielder Kevin De Bruyne, perhaps City's standout player over the past eight months. After completing a year-long sabbatical, he returned to action by managing Bayern Munich where he won the Bundesliga League Title three times. But they would also need United to lose to West Brom-who had just three PL wins all season.
That consistency, which saw them go on a remarkable 30-match unbeaten run that wasn't ended until January this year, has been the deciding factor and the most crucial aspect in them securing the title this season.
So in a way, after not being able to clinch the title last week against Manchester United and getting eliminated in the Champions League by Liverpool, clinching the Premier League without playing will seem bittersweet. "The mental level, day by day".
Man faces 29 charges of sexual assault on daughter in Kildare court
Sonoma County sheriff's detectives are seeking help in solving a sexual assault, beating and robbery of a San Francisco woman. The complaint indicates one video recovered from the phone showed Klumb inappropriately touching a 10-year-old child.