Karetsas Scores Maiden Goal, Dortmund Wins 2-1 Against Real Betis

• Kostas Karetsas scored the winning goal for Borussia Dortmund in a 2-1 victory against Real Betis.
• Karetsas expressed happiness about his maiden goal, referencing recent injury setbacks.
• The match took place at Westfalenstadion.
• Karetsas almost did not come on as a substitute, as revealed in a post-match confession.
• The victory was crucial for Borussia Dortmund in their ongoing season.