Celtic have enjoyed an excellent start to the campaign that has yielded genuine progress on the Champions League front that supporters have been crying out for. Heading into the new format, the Bhoys spent over £30 million on eight summer signings as Brendan Rodgers freshened up the squad with the aim of securing a knockout playoff phase berth at the least. At the halfway point, it is safe to say Celtic have put themselves back on the map in the Champions League after claiming seven points across four matches. An opening night victory over Slovan Bratislava followed by a drubbing in Dortmund s…