Raheem Sterling left Liverpool for Manchester City in such acrimonious circumstances that a future return to Anfield would have been deemed impossible by onlookers at the time.
Fast forward almost five years, however, and the landscape looks a little different.
A potential return still seems unlikely but that particular prospect has been gathering momentum in recent days.
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And now a report from French media outlet L'Equipe has suggested that a return to Anfield cannot be ruled out amid Real Madrid's interest in Sadio Mane.
It's the type of transfer report that's bound to cause a frenzy, and the majority of supporters have urged the club to avoid re-signing Man City's talisman.
However, there were a couple of supporters who suggested it's a deal they should be pursuing, with one even tipping Sterling to win the Ballon d'Or under Klopp's tutelage.
Here's what the Liverpool fans had to say in response to reports...