So it’s not easy to taste the success of being a manager and even harder to maintain it for a long time. Before Leicester City, he managed Liverpool in June 2012, where he led the team to a runners-up position in the league in the 2013–14 season. Later he became the manager of Celtic in May 2016 and led Celtic to an undefeated domestic season in his first year, and trebles in both of his first two seasons.