A world in which Lionel Messi does not play for Barcelona seems unimaginable, but that could be the reality in the not too distant future.
Barcelona, once the undisputed greatest team in the world, are undergoing one of their darkest periods in recent history - off the backs of a season in which they failed to win a single title since 2007-08.
And now, following repeated humiliation in the Champions League as well as tension with club president Josep Maria Bartomeu, Messi has informed his club of his wish to depart.