Brendan Rodgers has given his verdict on what Callum McGregor’s international football retirement can offer Celtic in the long run. The Hoops skipper announced his decision to stop playing for Scotland earlier today, revealing he came to the conclusion after a meeting with Steve Clarke. Ending his international career with 63 caps, McGregor featured at two European Championships and participated in several successful qualification campaigns. It is no coincidence the Tartan Army’s fortunes started to take a turn for the better when he was introduced to the fold in 2017. Nevertheless, it feels l…