Celtic are now into their off-season after claiming Scottish Cup glory last weekend; however, plenty of Brendan Rodgers’ men still have work to do over the summer. For some, the chance to experience the prestige of playing at EURO 2024 will trump the excitement of relaxing on holiday. Callum McGregor, Greg Taylor, Anthony Ralston, and James Forrest have been called into Scotland’s provisional squad for the championships by Steve Clarke. Matt O’Riley will hope to be on the plane with Denmark. On the same token, Alistair Johnston is expected to be involved with Canada at Copa America; however, n…