Answer
Thorgan Hazard joined Borussia Dortmund in 2019, making a significant move in his football career. The Belgian winger, known for his pace, dribbling skills, and eye for goal, had previously played for Borussia Mönchengladbach and Chelsea. This transfer marked a new chapter for Hazard as he sought to showcase his talents in one of Europe's top leagues and compete at the highest level.