Jurgen Klopp caused quite the stir at the beginning of this week when, on Monday, he sent Mamadou Sakho home from Liverpool's pre-season tour in America.
Since then, there has been much speculation about exactly why the French defender was given his marching orders, with only rumours citing his late arrival for the flight stateside to go on.
Now, though, the Liverpool boss has finally revealed the specific reasons why he felt he had to hand out such a severe punishment to Sakho.
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In comments reported by the Liverpool Echo, Klopp explained that it was persistent rule breaking - specifically three rules in particular - that meant he had no other choice.
"I have to build a group here, we have to start new here,” Klopp said.
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“So 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.
“We have some rules and we have to respect them. If somebody doesn't respect it or somebody gives me the feeling he is not respecting it then I have to react that's all."
Sakho's late arrival for the Liverpool team's flight out to America had already been widely reported.
To learn, though, that the 26-year-old then continued to be tardy once the Merseyside club had arrived at their U.S. base makes Klopp's decision to send him home a lot more understandable.
As the German boss mentioned, he is trying to instil a togetherness in his squad ahead of his first full season in charge, and for one of the squad's more experienced players to continue to step out of line can't have made his task any easier.
“It is private how he reacted. But we had no argument, it wasn't 'aghh, you, no...'," Klopp continued.
“I spoke. You cannot argue when only one person is speaking. That's all. I think missed a session is missed a session. Even injured players have sessions.”
It remains to be seen how Sakho reintegrates into the squad when the team return from their tour of the states.
Judging by Klopp's words, however, it doesn't look like the punishment will extend any further than the one that has already been handed out.