The Catalan has been a revelation in his five years with the Sky Blues, winning three Premier League titles, the FA Cup and four League Cups.
In the 2016/17 season, Guardiola's side amassed a record 100 points and 106 goals with just two losses from 38 games.
Guardiola in his first season with City
They defended the title the following season, piping a resilient Liverpool by one point before falling to the Reds in the 2019/20 campaign.
Last season could perhaps be Guardiola's greatest achievement in England, fighting back from oblivion in December to win 15 straight matches, eventually winning the title by 12 points.
"When the day comes that he decides to call it a day and someone fills those shoes it'll be difficult.
"Pep has educated every last one of us City fans with his of play, a goalkeeper who's amazing on the ball, quality midfielders, playing with a false or inverted fullback.
Guardiola with the 2020/21 Premier League title
"Last season we saw Cancelo who would end up as a number ten at times from fullback, so Pep has evolved and educated us all.
"Every neutral watching City will have been educated and loved watching how Pep Guardiola goes about his business.
"It's been beautiful to watch and observe week in week out."
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