Both teams secured convincing victories on the opening matchday, and now Borussia Dortmund and Celtic are set to clash in the Champions League on Tuesday evening in Germany.
The Scottish champions remain unbeaten this season, but they face their toughest challenge yet in Dortmund, where the home side has been in prolific scoring form recently.
Last season’s Champions League finalists began this year’s competition in impressive fashion, shaking off a sluggish start to score three unanswered goals against Club Brugge at Jan Breydel Stadion.