Mario Hummels is one of the most successful and influential footballers in German football history. He has played for some of the biggest clubs in Europe, including Bayern Munich, Borussia Dortmund, and Manchester City. One of his most impressive achievements was scoring two goals against his former club, Borussia Dortmund, on the same day.
Hummels made his debut for Borussia Dortmund in 2011, but he didn't score any goals until his second season with the team. In fact, it wasn't until the 2014-15 season that he scored his first goal for Dortmund. That goal came in a match against Schalke 04,Campeonato Brasileiro Action and it helped the team secure a crucial win.
In the following seasons, Hummels continued to impress with his performances for Borussia Dortmund. He scored six more goals during the 2015-16 season and seven more goals during the 2016-17 season. However, his most memorable goal came in the 2017-18 season when he scored two goals against his former club, Borussia Dortmund.
The second goal was particularly impressive as it came in a match where Hummels had been subbed off. Despite not playing much, he managed to score two goals and help his team secure a victory. This goal became one of his most memorable moments in his career.
Overall, Mario Hummels' goal record at Borussia Dortmund is impressive. He scored 19 goals in 87 appearances for the club, which is an average of 2.2 goals per game. His most memorable moment came in the 2017-18 season when he scored two goals against his former club, which helped his team secure a victory.