Many La Liga clubs have already experienced the loss of their best player this summer.
Sevilla have sold Jesus Navas and Alvaro Negredo, Atletico and Radamel Falcao are no longer together and Asier Illarramendi, Joan Verdu and Isco are among a number of other players to have moved on these past two months.
But now, with the start of the new campaign in sight, everything should be plain sailing, right?
What if it isn't, though? What would be the worst nightmare for each club to wake up to over the next month?