Midfielder got Jurgen Klopp's son drunk and then cried with Liverpool boss after failed transfer

Former Borussia Dortmund loanee Kevin Prince-Boateng has opened up on his touching relationship with Jurgen Klopp - revealing the pair cried on the phone when he was unable to make his move permanent back in 2009.

Prince-Boateng signed for Borussia Dortmund in January 2009 after a difficult first 18 months at Tottenham Hotspur under managers Martin Jol and Juande Ramos.

Despite being hit with a suspension for a reckless challenge on VfL Wolfsburg's Makoto Hasebe toward the end of his loan spell at the Signal Iduna Park, the German-born Ghanian impressed during his ten appearances and helped Dortmund secure a sixth-placed finish in Klopp's first season at the club.

Recalling his stint at the Black and Yellows, Prince-Boateng opened up on the close bond he built with the now Liverpool manager during their time together and hailed the 56-year-old's man-management skills.

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"When they announced that I come to Dortmund, they [fans] criticised the club, like: 'Why [are] you bringing that guy? He's crazy. Did you see what he did in Tottenham?'," said Prince-Boateng, speaking to Rio Ferdinand's FIVE podcast. "So Klopp stood up at the press conference and said: 'I brought him here, I will make him the player he is'. He said Prince Boateng has a book of 1,000 pages and each page is different, that's how good he is.

"I said I will give my life for him. Every player would die for him on the pitch because he gives you that feeling of confidence, that feeling of love as well. Whatever you do, if you do a mistake, he's going to be there. I