The former Borussia Dortmund star has stressed that the 67-year-old is respected not just at the Allianz Arena, but elsewhere as well, and added they have an excellent relationship.
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"We have an outstanding relationship. I do not know if the coach will like this, but he could be my dad. I am enthralled by the way he thinks about football.
"As I said, the basics are in place, or I would not have come. If you want a relationship based on trust and the head coach doesn't want it, it can't work.
"But for all this, I don't believe we will win every game this season. There will be situations where we have to put up a united front."
Heynckes took charge of Bayern in the summer of 2011, and guided them to the final of the Champions League, which they lost against Chelsea.