Guardiola has led City to six Premier League titles during his illustrious reign, amassing a wealth of knowledge about how to succeed in the gruelling English top-flight.
Motsepe said the change, along with the introduction of the Nations League, was made "to make sure the football calendar worldwide is more in harmony".
But the Blues' gritty fightback was essential for Maresca after a turbulent week that raised questions about the Italian's long-term future with the club.