Celtic are top of the SPFL Development League after wins over Dunfermline on Friday and Partick Thistle on Monday.
Tommy McIntyre's men beat the Pars 1-0 at Broadwood and followed that up with a 1-0 victory against the Jags at the Excelsior Stadium, courtesy of a late winner from Aidan Nesbitt.
Hamilton Accies are second on goal difference after beating St Johnstone 1-0 at New Douglas Park with a goal from Ryan Tierney.
Reigning champions Aberdeen are in third spot following their 2-1 success against Motherwell at Balmoor with goals from Connor McLennan and a Louis Laing og after Luke Watt had given the Steelmen the lead.
Dundee and Inverness CT drew 1-1 at Links Park, with Josh Skelly equalising after Jordan Roberts had put Caley Thistle ahead.
Hibernian beat Falkirk 2-1 at Ainslie Park with a last-minute Jack Breen goal after Tony Gallacher had cancelled out Oli Shaw's opener.
Hearts overcame Kilmarnock 2-1 at Rugby Park with goals from Alim Ozturk and Robbie Buchanan. Lewis Morrison netted for Killie.