Much of the pre-match coverage, ahead of Sunday’s Old Firm derby clash at Ibrox, has focused on the fitness of Callum McGregor. After a couple of weeks out of action, this weekend’s trip across Glasgow appears to have come around too quickly for a return to Celtic’s starting XI. But Brendan Rodgers, revealing that his skipper has recovered ‘three or four weeks ahead of schedule’, is expected to at least have McGregor as part of his travelling party. The involvement of Reo Hatate, in contrast, seems a little more clear cut. McGregor’s central midfield partner had missed most of 2024 with hamstr…