CALLUM McGREGOR could make a quickfire comeback for Celtic against Dundee United at Tannadice on Sunday afternoon. Injury forced the influential Hoops captain to sit out the Scottish Cup quarter-final penalty-kick shoot-out win at Ibrox and then the 3-1 Premiership success over Motherwell at Parkhead last weekend. There were fears McGregor could remain on the
Quickfire Calmac

































































