It’s fair to say that the two transfer windows following Brendan Rodgers’ return to Celtic were underwhelming for plenty of supporters. In a position of unprecedented wealth, the prevailing feeling is that the Bhoys have failed to build and progress forward from last season’s stunning treble win under Ange Postecoglou. Rodgers has his blame to take for some of the performances and results throughout the 2023/24 season but poor recruitment cannot be ignored. Regardless of how the season finishes, with Celtic champions or not, a lot of work needs to be done this summer to get the squad bolstered…