With the domestic season all but over, the Celtic fans have the Scottish Cup final to look forward to and then a break from the crazy world of domestic football. This season has been a rollercoaster and not one for those with a nervous disposition but with the league title wrapped up, the Celtic fans can look forward to a summer of busy activity in the transfer window. But as well as that, the Euros in Germany is also on the calendar and with Callum McGregor a shoo-in to make the Scotland squad, interest in the summer tournament holds some weight for the Celtic fans. Although there could be ot…