Celtic have faced their fair whack of injury problems this campaign under Brendan Rodgers and have struggled to field their strongest side at times. Granted, the likes of Reo Hatate, Cameron Carter-Vickers and Alistair Johnston being on the sidelines in recent weeks is no excuse for a drop in performance from the Bhoys; regardless, challenges have certainly been posed in their absence. Rodgers was forced into the transfer market last summer to acquire Nat Phillips on loan as emergency cover amid a defensive crisis that ruled out Carter-Vickers, Stephen Welsh, Yuki Kobayashi and Maik Nawrocki. …