Career
Early career
Sarr began his club career playing at Schwarz-Weiß Essen then moved to Schalke 04 in the 2005-2006 season before moving to Bayer Leverkusen in the 2008-2009 season, where he ultimately succeeded to the second team In the 2012-2013 Regionalliga season, Sarr made ten appearances for Bayer Leverkusen second team as a defender during the first half of the 2012-2013 season. Borussia Dortmund
Sarr signed for Borussia Dortmund in the dawn of the 2012-2013 Bundesliga season.
The signing of Sarr by Borussia Dortmund from Bayer Leverkusen attracted the attention of the media, leading to a renewed debate about "talent theft" in football.
During the second half of the 2012-2013 season, Sarr was enrolled initially in the Borussia Dortmund academy (U-19). In the 2013-2014 Bundesliga season, Sarr was inducted into the Borussia Dortmund first team by Jürgen Klopp.
Sarr debuted for Borussia Dortmund II on 20 July 2013 on matchday 1 of the 2013-2014 season in the 3. Liga against VfB Stuttgart II, in which Sarr made his professional debut.
The defender had the first match in the Bundesliga on 14 December 2013 against TSG 1899 Hoffenheim.
Sarr represented the German U17 national football team that participated in the 2012 Union of European Football Associations European Under-17 Football Championship in Slovenia.