You're probably still celebrating Paco Alcácer joining Barcelona, but something else happened on Tuesday.
The club announced that Munir El-Haddadi will be joining Valencia on a season-long loan deal. Here's more details on the agreement, which includes something important:
FC Barcelona and Valencia CF have reached an agreement for the loan of the player Munir for the season 2016/17. The club from Valencia will take over the player's contract for the season at the end of which Valencia CF will have the option to buy the player for the figure of 12 million euros. FC Barcelona would be elegible for a percentage of any future transfer away from Valencia due to an agreed sell on clause.