Spanish football giants, Barcelona are set to invite their former captain Lionel Messi to Camp Nou.The club is set to invite Messi to attend the farewells of Sergio Busquets and Jordi Alba, according to Mundo Deportivo.Busquets and Alba, who were long-term teammates with Messi, are set to leave Barcelona in the summer.In fact, Busquets is the player Messi has shared the pitch the most with during his career, a massive 567 times.Alba also played alongside the Argentina World Cup winner since his 2012 move to Barcelona from Valencia.However, both veterans will leave the Catalan club at the end of the season.Barcelona, meanwhile, are keen to get Messi back at the Camp Nou in the summer.Messi’s contract with Paris Saint-Germain will run out at the end of the season, and the 35-year-old is keen to leave the French Ligue 1 champions.