Fraser Forster set a new club record of 11 league shut-outs in a row as Celtic beat St Mirren 1-0 at Parkhead this afternoon.
Kris Commons scored the only goal of the game after just six minutes as Neil Lennon's men moved 21 points clear at the top of the Scottish Premiership.
On Saturday, Gary Fraser earned Partick Thistle a 1-1 draw against Dundee United at Firhill after Farid El Alagui had given the visitors the lead.
A Kris Boyd double saw Kilmarnock recover from two goals down to draw 2-2 with Ross County at Rugby Park. Yoann Arquin and Yann Songo'o netted for Derek Adams' men, who had Filip Kiss sent off.