Scottish Cup holders Celtic will visit Hibernian in the quarter-finals, while Aberdeen will face either Kilmarnock or Rangers.
St Mirren's wretched run of form continued as a 2-1 loss at home to Championship promotion hopefuls Dundee United condemned them to a fifth straight defeat.
Auchinleck Talbot have been rewarded for their Scottish Cup exploits with a fifth round trip to Premiership Hearts.
Law student Craig McCracken scored the winner as Scottish Juniors side Auchinleck Talbot stunned Ayr 1-0 to reach the last 16 of the Scottish Cup for the first time.
Livingston have signed Chris Erskine on an 18-month contract from Partick Thistle.
Partick Thistle have announced former Wigan and Chesterfield boss Gary Caldwell as their new manager, the club confirmed on Monday.
Partick Thistle have sacked manager Alan Archibald and his assistant Scott Paterson following their 2-0 defeat at home to Ross County on Saturday.
Stephen Dobbie scored his 20th goal of a remarkable season as Queen of the South beat Crusaders 4-3 at Palmerston Park on Saturday afternoon.
Partick Thistle have decided to pay out a goal bonus to Kris Doolan for his disallowed strike against Morton.
Celtic survived a second-half scare to beat Partick Thistle 3-1 and reach the Scottish League Cup quarter-finals.
Dedryck Boyata will miss Celtic's Betfred Cup clash at Partick Thistle on Saturday as uncertainty surrounds his future.
Steven Gerrard will face his old Liverpool coach Steve Clarke when Kilmarnock take on Rangers in the Scottish League Cup.
Ayr United, Ross County, St Johnstone, Dunfermline, Livingston, Motherwell and Kilmarnock are into the last 16 of the Betfred Cup.
Dundee United suffered a disappointing start to the season with a penalty shootout defeat to Arbroath, plus all the latest from the Betfred Cup
The 2018/19 Betfred Cup group stage fixtures have been announced ahead of competitive football returning to Scotland next month.
Partick Thistle have announced former player Gerry Britton as their new chief executive.
Dundee United have signed Belgian defender Frederic Frans on a two-year deal.
Alan Archibald will remain as Partick Thistle manager despite their relegation from the Scottish Premiership.
Livingston clinched promotion to the Scottish Premiership after beating Partick Thistle 3-1 on aggregate in the play-off final.
Ross County's six-year stay in the Ladbrokes Premiership is over but Partick Thistle live to fight another day
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