Sadio Mane correctly pointed out earlier this season that many pundits felt Liverpool had "over-paid" when they signed Virgil van Dijk from Southampton last year for £75 million ($99m).
However, the Dutchman has since made that record-breaking fee for a defender look like a bargain with his colossal displays for the Premier League title-chasing Reds.
What's more, other top clubs around Europe are now set to follow Liverpool's lead by spending big on centre-halves this summer.
For once, defenders, rather than attackers, look set to generate the highest transfer fees during upcoming transfer window.
Indeed, on Wednesday, Bayern Munich announced that they had agreed a Bundesliga-record €80m fee with Atletico Madrid for versatile centre-back Lucas Hernandez , who will move to Bavaria at the end of the season.
It should be just the first in a plethora of summer switches involving the game's elite defenders.
As Goal has already revealed, Barcelona are willing to listen to lucrative bids for Samuel Umtiti, and the Frenchman's departure could have a major knock-on effect across Europe...