Pep Guardiola "interfered in medical matters" at Bayern Munich, according to former team doctor Hans-Wilhelm Muller-Wohlfahrt, who says the highly-rated coach thought he "knew everything better than I did".
Guardiola was drafted in to replace Jupp Heynckes in the Allianz Arena hot seat in the summer of 2013, inheriting a treble-winning squad brimming with world-class talent.
The Spaniard had already established himself as arguably the finest manager in Europe by that time, after assembling one of the greatest teams in history at Barcelona between 2008 and 2012.
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As expected, Bayern continued to dominate the domestic scene in Germany with Guardiola at the helm, but he was unable to deliver success in Europe.