Cameron Carter-Vickers has sparked a major Celtic concern as fears emerge that another lengthy absence is in store for the American.
Brendan Rodgers is seeing injury problems pile up and a 1-0 defeat to Kilmarnock in the Viaplay Cup on Sunday had him admitting he was looking to add more 'quality' to his ranks before September's 1st transfer deadline.
Celtic will play St Johnstone on Saturday before a pressure cooker first derby of the season against arch rivals Rangers. And according to the Scottish Sun, Carter-Vickers is 'set to miss the Rangers fixture.' There's more worries for boss Rodgers too as "there are major fears the influential USA defender could face an extended period out after being forced off at Aberdeen last weekend." Already, Stephen Welsh is facing an extended period on the sidelines although new signing Gustaf Lagerbielke has eased one selection issue at the back after Carl Starfelt's departure.
Liam Scales is also fit and available amid Aberdeen's pursuit of him but Carter-Vickers will be a concern after he missed the end of last season with a knee problem.