Celtic skipper Scott Brown had surgery on an abductor problem during the international break and will be out for four to six weeks, manager Neil Lennon has confirmed.
A Joe Ledley double helped Celtic secure a convincing, if expected, win over bottom side Dundee at Parkhead which took them another step closer towards retaining their Clydesdale Bank Premier League title.
St Mirren pulled off one of the biggest cup shocks of recent times as they defeated Celtic at Hampden to book their place in the Scottish Communities League Cup final.