Celtic are set to be busy in the market this summer with movement expected in both directions at Parkhead. Speculation is starting to mount regarding potential targets, and the goalkeeper position is a hot topic amid Joe Hart’s retirement from football. From an internal standpoint, Celtic also need to play a waiting game regarding Adam Idah, who Brendan Rodgers is keen to keep at Parkhead permanently with support from the reigning champions’ hierarchy. Nevertheless, he did upload an Instagram story appearing to say goodbye to the club; however, he was hardly going to endorse a move while still…