Celtic boss Brendan Rodgers has endured mixed fortunes since arriving at Parkhead for a second time last summer. With nine Scottish Premiership matches left to play this season, the Bhoys are firmly in a title race that could go down the wire against Rangers. This weekend, Celtic can overtake their rivals for a day, at least, if they defeat St Johnstone at home on Saturday; however, several injuries have disrupted the momentum in Rodgers’ squad. Club captain Callum McGregor has unfortunately had to bow out of the Bhoys’ last couple of matches due to a calf/Achilles problem and will miss our cl…