Former Chelsea defender Alex is set to leave Paris Saint-Germain in the summer. Reports in France suggest the 31-year-old Brazilian will leave the Ligue One club at the end of his contract in the summer.googletag.cmd.push(function() { googletag.display(“div-gpt-ad-1389116196215-0”); });According to Le 10 Sport, Alex wants to remain at PSG, but the club are looking at alternatives to play alongside Thiago Silva at the heart of the Paris defence next season.PSG are keeping tabs on several European targets with Manchester City target and Port defender Eliaquim Mangala high on the list. Also in the frame is Chelsea’s David Luiz, who is just one of a number of Stamford Bridge players linked with a move to PSG in the summer. Alex, meanwhile, could find himself playing in Italy with Milan. Tuttosport report that the Brazilianis being tracked by the San Siro outfit. It would be a move Alex would be keen to make as he seeks to play in Europe for at least two more years before returning to Brazil to PSG in 2012. Read more Chelsea transfer news.