Claude Puel's decision to change Leicester's formation at half-time was made to appear all the more freaky when City scored twice early in the second period.
Though Man City have managed to breach defences this season, Leicester have the pace on the counter and that's essentially how the Foxes beat Man City last when he two squared off on December 2016.
The Argentine talisman was in clinical form and produced an instinctive finish when De Bruyne once more played in the centre forward who controlled beautifully before smashing home from close range, 3-1.
Despite the characteristics of Riyad who fits perfectly into the philosophy of the Catalan coach, the strike action by the Algerian makes Guardiola question whether the player is the right choice for the team.
Leicester themselves have hit a bit of a bad patch having failed to win in any of their last two games. "The best way is for him to come back and enjoy his football. We have more important games".
It's unclear whether or not he will be in contention, but if he is, then he'll certainly be looking to prove a point to Pep Guardiola.
The Argentina global has now scored 13 goals in 10 matches since the turn of the year, when City's other main goal-getter Gabriel Jesus was ruled out with injury.
"Now we have Champions League, and the (Carabao Cup) final, so important games".
Just as the dust is settling on the Jose Mourinho vs Antonio Conte feud (for now) the Premier League has it's latest war of words. "Now, we have a lot more games to play and we need to keep fighting", Valencia told the club's website.