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It also eclipses the £75m Liverpool paid Southampton for Virgil van Dijk, which has been the club's record transfer since it was completed in January 2018.
His arrival underline's FSG's aggressive approach this summer, having previously been hesitant to spend £100m in a whole transfer window, let alone on a single player.
Throughout his tenure, Klopp publicly defended FSG, but made it clear behind closed doors that further investment in the squad was crucial for silverware.
When he took charge of Liverpool, the club was languishing in 10th place with a squad showing its years.
The Liverpool board apologised to Klopp for the state of the first squad he inherited.
It was the kind of humbling that typically sparks a significant reaction in the following transfer window.
The month before, Klopp publicly warned that Liverpool risk falling behind their domestic and continental competition.
So they believe in that as well, and if they start really properly spending and do those things as well, then you cannot not spend or you will have a little bit of a problem."
In Klopp's final summer transfer window, the club fully heeded his advice, overhauling their midfield by bringing in Dominik Szoboszlai, Alexis Mac Allister, Ryan Gravenberch and Wataru Endo for a combined £155m