Goals from Jozo Simunovic and Stuart Armstrong move Celtic to within three points of a sixth straight Premiership title.
Defender James McPake has had further surgery on his knee but Dundee boss Paul Hartley is hopeful he will be fit for pre-season.
Dundee boss Paul Hartley insists his side "need the points just as much as Celtic" before Sunday's visit of the Premiership leaders.
A dominant St Johnstone ease past Tayside rivals Dundee to maintain pressure on third-placed Hearts in the Scottish Premiership.
Scores, Results & Fixtures
Sunday 19th March 2017
Saturday 11th March 2017
Wednesday 1st March 2017
Saturday 25th February 2017
Friday 31st March 2017
Tuesday 4th April 2017
Saturday 8th April 2017
Saturday 15th April 2017
Audio & Video
Celtic take a step closer to securing their sixth league title in a row with victory over Dundee at Dens Park. (UK only)