Celtic F.C. and a League Cup, but the team's performances in European competition were poor. After being eliminated from the Scottish Cup by Rangers in April 2016, Deila announced he would leave the club at the end of the season. On 20 May 2016, Brendan Rodgers was announced as Deila's successor. Despite a shock first defeat in his first game in charge, his first season saw the team go on a long unbeaten run in domestic competitions, during which time the club won their 100th major trophy, defeating Aberdeen 3–0 in the League Cup Final on 27 November 2016. Celtic also clinched
History of Celtic F.C. (1994–present) best for the future." Norwegian Ronny Deila was appointed manager of Celtic on 6 June 2014. He signed a 12-month rolling contract with the club, with former Celtic midfielder and Scotland international John Collins appointed as his assistant. After going unbeaten on a pre-season tour in Austria, Deila's first competitive match as manager of Celtic, a Champions League qualifying tie away against KR Reykjavik on 15 July 2014, ended in a 1–0 win with midfielder Callum McGregor scoring the decisive goal on 84 minutes. Celtic eased to a 4–0 win in the return match in Scotland, but were comprehensively beaten