The duo had a fantastic relationship at Borussia Dortmund.
Jurgen Klopp signed Europe’s finest striker for £4million in 2010 during his spell at Borussia Dortmund.
The duo enjoyed four seasons together with the Polish striker amassing 103 goals in 187 games.
Lewandowski claims Klopp a ‘bad teacher in the best sense of the word’ and explains why the German boss was a father figure to him.
“When the second season began, I was still struggling,” the 32-year-old striker told The Players’ Tribune.
“I also felt that Jurgen wanted something from me, but I didn’t understand exactly what.
“So after a really bad defeat to Marseille in the Champions League – I think we lost 3–0 – I went to see him. I said, ‘Jurgen, come on. We have to speak. Just tell me what you expect from me.’
“I can’t remember everything he told me – my German still wasn’t the best – but through the few words I knew and from his body language, we understood each other. We had a great chat.
“Three days later, I scored a hat trick and assisted another goal against Augsburg. We won 4–0, and that was the turning point for me.
“It was a mental thing, a hang-up of some sort. And I think it had something to do with my father.
“At the time I didn’t think about it. But now I realise that my conversation with Jurgen was like one of those I wish I could’ve had with my dad [who died when Lewandowski was a teenager]. One of those I had not been able to have in many, many years.
“I could talk to Jurgen about anything. I could trust him. He is a family man, and he has so much empathy for what goes on in your private life.”