Man United have been given a boost after Borussia Dortmund midfielder Ilkay Gundogan’s camp revealed he has not spoken to any other clubs.Gundogan, 23, has not played since the first day of the season after damaging his back. But despite his absence the German has been linked with Bayern Munich after a breakdown in talks over a new contract.googletag.cmd.push(function() { googletag.display(“div-gpt-ad-1389116196215-0”); });Mario Gotze joined Bayern last summer from Dortmund while Robert Lewandowski is set to join him at the end of the season, prompting speculation Gundogan will join the pair.But Irfan Gundogan, the midfielder’s father, poured scorn on those rumours leaving United still in with a chance of landing the player in the summer.There was no negotiations with Bayern. We have always said that Borussia Dortmund is our first point of contact. The boy’s health is now the first priority, he told Ruhr Nachrichten.