Celtic could look to sign Manchester City goalkeeper Costel Pantilimon if Fraser Forster leaves the club this summer, it has emerged. The SPL giants are looking increasingly likely to lose their star player after his terrific form has attracted big interest from the likes of Manchester United and Barcelona ahead of the next transfer window.googletag.cmd.push(function() { googletag.display(“div-gpt-ad-1389116196215-0”); });Celtic have already been linked with a possible swap deal with United involving Anders Lindegaard, but could also line up City backup player Pantilimon as a possible replacement in goal. The 27-year-old has been at the Etihad Stadium since 2012, but has failed to break past Joe Hart into the starting lineup on a regular basis, despite being given the nod by Manuel Pellegrini in the team’s recent League Cup final victory.Pantilimon’s current contract expires in 2016, but it is thought that the Romanian international is keen to leave the club in pursuit of regular first-team football. Costel might be looking to leave, yes, a club insider told [football] direct news. “There’s interest from Celtic, who might look to him to replace Forster.”Read more Manchester City transfer news.