Following the departure of John Barnes in February 2000,[4] Martin O'Neill was appointed as manager of Celtic in June 2000.[5]Kenny Dalglish, who was director of football at Celtic, left the club soon after.[6]John Robertson and Steve Walford followed O'Neill from Leicester City to be assistant manager and coach.[7]
Celtic started their league campaign by going undefeated in 16 games until a heavy defeat to Rangers in November 2000. They lost only two more games, both in May after the league title had been secured. They won the Scottish Premier League with a victory over St Mirren in April,[24] receiving the trophy two weeks later after a 1–0 home win over Hearts,[2] having finished 15 points clear of the runner-up, Rangers, with 97 points.[25]
Striker Henrik Larsson scored 53 goals to set a new Scottish scoring record for a single season.[26]
Celtic had qualified for the UEFA Cup and began their campaign with an 11-0 aggregate win over Jeunesse Esch from Luxembourg in August 2000.[28] A Chris Sutton goal in extra-time in the away leg was enough to see Celtic through the next round 3–2 on aggregate against HJK Helsinki the following month.[29] They were knocked out in the third round of the competition by Girondins de Bordeaux 2–3 on aggregate despite dominating the second leg in Bordeaux.[30]