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Mamadou Sakho and Jurgen Klopp before their relationship broke down(Image: Alex Livesey/Getty Images)

Jurgen Klopp once froze out an international defender following a mysterious falling out ahead of his first full season as Liverpool boss.

Mamadou Sakho, an £18million signing from Paris Saint-Germain, had become a key member of the squad during the 2015/16 campaign, which saw the sacked Brendan Rodgers replaced by Klopp.

However, the Frenchman was sidelined amid a doping investigation - from which he was later exonerated and awarded compensation - resulting in him missing the Europa League final defeat by Sevilla and Euro 2016, hosted by France.

Sakho was cleared to resume his career that summer and travelled with the Reds squad to the United States for a pre-season tour.

However, that proved to be the beginning of the end of his Liverpool career after he was accused of being late for a flight, a team meal and a treatment session.

Klopp explained: “I thought maybe it made sense for him to fly home to Liverpool and after eight or 10 days, when we come back, we can talk about it.

It's not that serious.

“He nearly missed the departure of the plane, he missed a session and was late for a meal.

Still not talking cos I want to speak on the pitch....I will speak soon for the people who support me and don't understand the situation (emoji).

“Still happy to live in my Liverpool Country (emoji) with my family, hope to have chance to play soon to give my best like I try to always do!

I really enjoy my time in Liverpool.