Celtic have been rocked by several injuries this campaign that haven’t helped Brendan Rodgers in his endeavours to bring silverware to Parkhead. Last weekend, the Irishman was inconvenienced even further by news that Callum McGregor would miss the Bhoys’ eventual 2-0 defeat away to Heart of Midlothian, leaving a noticeable void in the engine room. Rodgers revealed the timeline for his potential return post-match, stating: “We have to be cautious with Callum (McGregor) because he’s such an influential player for us. Hopefully, he will only miss a game or two. He’s got another scan on Wednesday …