Back in 2018, when Yaya Toure was playing at Manchester City, he did not always get along well with manager Pep Guardiola.
They had previously been in the same team at Barcelona, but Guardiola sold him to Man City then.
The Ivory Coast star had then, in June 2018, accused Guardiola of having problems with African stars.
That prompted Toure's agent Dimitri Seluk to wade into the row, insisting witchery will prevent City from winning Europe's top prize during the Spaniard's time at the Etihad stadium.
Agent Seluk said: "God sees everything. The way he acted with Yaya, a legend of the club, he turned Africa against himself — and many African fans turned away from City.
"I'm sure many African shamans in the future will not allow Guardiola to win the Champions League.
"This will be for Guardiola, an African curse. Life will show whether I am right or not.
"Nothing good can be said about the human qualities of Pep Guardiola.
"The fact that Guardiola ended Yaya's career in Manchester City is not a mistake but a crime."
So far, in five years at City (the longest Guardiola has spent managing any club in his career), the Champions League final defeat is the closest he has come to winning the most coveted trophy in European football.