By Jamie Spencer Ilkay Gundogan is not expected to consider transfer offers this summer, despite Barcelona still being willing to sell the 33-year-old if a tempting proposal comes in. Gundogan joined the Catalan giants on a free transfer last summer after captaining Manchester City to a Premier League, FA Cup and Champions League treble. He contributed 19 goals and assists in 51 appearances across all competitions and was the most reliably available midfielder in the squad. But Barcelona’s financial limitations have seen a high turnover of players in recent years and Gundogan has been linked w…