Born in Budapest, Hungary, Marozsán moved with her family to Germany in 1996, after her father János Marozsán, a four-time Hungarian football national, had signed a contract with 1. FC Saarbrücken. She began her career at DJK Burbach, where she played for a boys' team. She then joined the youth department of 1. FC Saarbrücken. The DFB pushed for naturalizing her so she could play for Germany. In fact her whole family was naturalized, because she was still under-aged.
Club career
1. FC Saarbrücken, 2007–2009
In 2007 at the age of 14 years and 7 months, Marozsán became the youngest player to play in the German Bundesliga when she made her debut for 1. FC Saarbrücken. She also holds the record as the Bundesliga's youngest goal scorer at 15 years and 4 months.
1. FFC Frankfurt, 2009–2016
Marozsán signed with 1. FFC Frankfurt in 2009. During her time with the club, Frankfurt managed two second-place finishes, coming in the 2010-2011 and 2013-2014 seasons. She reached her first ever UWCL final in 2012, where Frankfurt were defeated 2–0 by her future club, Lyon. During the 2014–2015 season, she played and scored in each knockout round of the UWCLon the road to the final. In the final against PSG, she played all ninety minutes and sent in the assist to substitute Mandy Islacker that won them the match in extra time. With this win, she earned her first UWCL title and Frankfurt's fourth. She ended up as top assister of the tournament with 8 assists and was named to the team of the tournament by UEFA. In her final season with Frankfurt, they finished 3rd in the Bundesliga table, disqualifying them from UWCL competition for the coming season.
Olympique Lyonnais, 2016–present
In July 2016, Marozsán signed with Olympique Lyonnais from 1. FFC Frankfurt.
International career
Marozsán made her debut for the senior national team on in a match against Australia. Her first goal for the senior national team came on in a match against Turkey. In 2013, Germany coach Silvia Neid named her to the Germany squad for the 2013 UEFA Women's Euro competition. In the semifinal of the tournament, she scored a goal versus Sweden, a weak shot from outside the box that slowly found its way to the back of the net. The goal was enough to send them to the final against Norway, where she started the match behind striker Célia Okoyino da Mbabi. Germany won the final thanks to two Nadine Angerer penalty saves and a close-range Anja Mittag shot, giving Maroszán her first major international title. Maroszán was named to the UEFA team of the tournament for her performances throughout the competition. She scored the deciding goal in the 2016 Olympic Final, leading Germany to their first-ever women's football Olympic gold medal. She was named captain of the German team on 21 October 2016.
International goals
Scores and results list Germany's goal tally first: Source: