Respectable Spanish Marca reports that the Catalan club has already filed an appeal with the European Court of Justice against Lionel Messi’s transfer to PSG, because by doing so, the French club would violate the rules of financial fair play.The Spanish newspaper exclusively published documents stating the reason why the Argentine could not stay in Barca, but they also published the reason why PSG cannot register him, at least they should not be able to.PSG will unveil Lionel Messi at the Eiffel Tower in the coming days, sources have told @LaurensJulien 🇫🇷 pic.twitter.com/FCZhTNLz6H— ESPN FC (@ESPNFC) August 8, 2021 The documents state that PSG is in a worse financial situation than Barcelona. The calculation is clear, the so-called “salary cap” in the Spanish league in the 2019/20 season amounted to 790 million USD, and Barcelona spent 543.5 million. The season later, that limit was reduced to 450 million, and as there were no cuts in Barcelona, Catalans have crossed the allowed limit.However, PSG spent 655 million USD on salaries last season, out of 658.5 million they were allowed to, but they already spent a lot of money at the start of this season because they signed Sergio Ramos, Gianluigi Donnarumma, Giorginio Wijnaldum, Danilo Pereira, and Achraf Hakimi, while Neymar and Kylian Mbappe, who earn 41 million each, remained at the club.Barcelona in tears as their beloved Leo bids farewell in press conference: I gave everything for this shirtAs for this summer, only Mitchell Bakker left Parc de Princes, but with his departure only 8.2 million USD were earned. Allegedly, Messi was offered a 47-million-USD contract, which is why an appeal was filed.