Amidst the hysteria of his new three-year contract with Manchester City, Pep Guardiola has been elevated to new levels of adoration.
The 45-year-old will arrive to seamlessly replace Manuel Pellegrini this summer, however, from his spells at Barcelona and Bayern Munich, Guardiola has not always steered clear of conflict.
Here are five famous disputes for City to be wary of prior to next season.
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1. Yaya Toure
A dispute that looks set to develop a new chapter due to Toure's pivotal role as a City player, since 2010.
Preferring Sergio Busquets at the base of midfield, Guardiola effectively froze the City midfielder out, leading to lasting resentment on Toure's part.
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In February 2014, the Ivorian was quoted on ONA FM saying: "I didn't speak to Guardiola for a year. If he had talked to me, I would have stayed at Barcelona.
"I did not want to go and wanted to end my career at Barcelona. However, he had no faith in me."
2. Samuel Eto'o
Despite playing a pivotal role in Barcelona's treble-winning season of 2008/9 by scoring 36 goals, Eto'o has stated he and Guardiola shared an uneasy relationship.
Guardiola eventually sold the Cameroon striker to Inter Milan in the summer of 2009, leading Eto'o to subsequently criticise his former manager publicly: "Guardiola has never had the courage to say things in front of me. He passed by the players."
3. Zlatan Ibrahimovic
Comfortably the most infamous conflict on this list. Having arrived in 2009 in the same deal that took Eto'o away from Barcelona, Ibrahimovic quickly began to make headlines.
Though 21 goals in his debut season was an acceptable return, Ibrahimovic clashed publicly with Guardiola all season culminating in the Swedish striker labelling his manager a "spineless coward", after Barcelona's Champions League semi-final defeat.
Ibrahimovic was subsequently shipped off to AC Milan after just one season under Guardiola, with the Swede distraught that his former manager had "destroyed his dream" of playing at the Camp Nou.
4. Jose Mourinho
A feud that began in 2008, with Mourinho intent on becoming the next Barcelona manager and one that could develop if Ed Woodward chooses to dispense with Louis van Gaal.
Guardiola was preferred by Barca eight years ago, though his rival would gain the initial advantage when Inter Milan side knocked out Barcelona on the way to the Champions League final, leading to Mourinho's infamous celebrations at the Camp Nou.
Mourinho's arrival at Real Madrid in 2010 took this bitter rivalry to the next level, with constant disputes over officiating leading to Guardiola stating:
"I try to learn from Jose on the pitch, but I prefer to learn as little as possible from him off the pitch."
5. Bayern medical staff
The most recent conflict on this list that caused three members of Bayern's medical staff to quit the club.
Following Bayern's surprise 3-1 defeat to Porto last season, Guardiola publicly criticised his medical staff by complaining that his player's "legs don't last very long".
Doctor Hans-Wilhelm Muller-Wohlfahrt and two of his assistants quit with immediate effect, hurt by the lack of respect shown by their Spanish manager.
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