Messi has verbally accepted to stay and continue at PSG beyond 2023 as deal will be signed very soon.
According To Fabrizio Romano, Messi never accepted Inter Miami proposal or negotiated with Barcelona, he was approached by both clubs but it was never advanced.
No decision yet on the leght of contract and salary, it will be decided in a new meeting soon — Al Khelaifi and Campos, working on it.
