Müller made her professional debut on March 25, 2017 with SC Freiburg at just 17 years old, coming on as a second-half substitute in the 6-0 over FC Köln. Since then she has gone on to appear in 112 matches, across all competitions, recording 14 goals and eight assists. This year, Müller has played in 11 matches, including in the opening match of the season, a 2-2 draw with German powerhouse, Bayern Munich.
At the international level, Müller has competed at various stages throughout the Germany Youth National Team System, including at the U-17 FIFA Women’s World Cup and the UEFA U-19 Women’s Championship. While with the U-17 squad, Müller helped Germany win the 2016 UEFA U-17 Women’s Championship.