Celtic manager Brendan Rodgers warns against complacency ahead of the first Old Firm derby against Rangers, emphasizing that the match will be challenging despite Celtic's strong start to the season. The reigning champions currently lead Rangers by two points in the Scottish Premiership and have performed well recently, winning four consecutive games. However, Rodgers stresses the importance of focusing on performance and treating the match with the seriousness it deserves, as derbies often defy expectations. Rangers are facing difficulties, including playing home games at Hampden due to renovations at Ibrox and limited resources for squad improvement. Additionally, Rodgers expresses confidence in Celtic's upcoming Champions League campaign, viewing their draw as an exciting opportunity to compete against high-caliber teams. He believes that the team's recent preparations and tactical adjustments will enable them to succeed in both domestic and European competitions.