Celtic boss Brendan Rodgers will be keen to bolster his ranks this summer once the current campaign comes to an end. Evaluating the squad, it is clear that the goalkeeping position will require surgery following the news that Joe Hart is retiring in a few months. Speculation has already done the rounds regarding his potential replacement, with RC Waalwijk goalkeeper Ettiene Vaessen, Trabzonspor stopper Ugurcan Cakir, and Liverpool’s Caoimhin Kelleher all mentioned across media circles. Further up the pitch, decisions also need to be made on Adam Idah and Paulo Bernardo, who will be scheduled t…