Celtic's Derk Boerrigter has had an operation on his injured knee and will miss two more months, Ronny Deila says.
Celtic strolled into the semi-finals of the Scottish League Cup with a 6-0 victory in the Glasgow derby with Partick.
Ronny Deila was delighted to see Celtic take a step closer to the Scottish League Cup final with a 6-0 win over Partick.
Dundee United won a dramatic Scottish League Cup quarter-final 7-6 on penalties over Hibernian following a 3-3 draw.
League Cup holders Aberdeen progressed to the semi-final of the competition with a 1-0 victory over Hamilton Accies.