LIONEL MESSI CAN LEAVE BARCELONA AS A FREE AGENT ONLY .BUT?

The very famous and highly talented Argentinean footballer Lionel Messi , because of a special clause in his Barcelona contract can very well leave the Spanish giants Barcelona 30/6/21 But there is a hitch I that clause and it will be quite surprising for any of you readers.. The Clause very clearly says that at the end of the career of Lionel Messi at Barcelona , can not go and join up with any Elite club in Europe. But he has always said that he would one day like to play with his childhood club THE NEWELL BOYS one day. And this will be allowed by Barcelona. As they dot clash with Barcelona in the Champion League. Please kindly note this clause is put I all the contracts of the famous footballers for Barcelona, Like Andres Iniesta is playing in Japan and Xavi Hernandez was playing in Qatar. But a clause says that Lionel Messi can leave at the end of any season.