Mateo Klimowicz

Club career Klimowicz trained with Borussia Dortmund's academy at a young age, while his father was playing in Germany. He later joined Instituto's ranks. He appeared professionally twice at the back end of the 2016–17 season in Primera B Nacional, participating in fixtures with Juventud Unida, aged sixteen, and Nueva Chicago as they secured sixth. Klimowicz's first senior goal arrived on 14 October 2017 during a 1–1 home draw with Aldosivi.

On 10 May 2019, VfB Stuttgart announced the signing of Klimowicz ahead of the 2019–20 season; with the midfielder signing a five-year contract. He made his bow as a late substitute in a 2. Bundesliga match with 1. FC Heidenheim on 4 August.

On 1 September 2022, Klimowicz signed with 2. Bundesliga club Arminia Bielefeld on a season long loan.

International career Klimowicz is eligible to play for Argentina, Germany or with the obtainment of citizenship Poland at international level. He received call-ups to train with Argentina at the U15, U17 and U20 levels.

On 15 March 2021, Klimowicz was called up for the 2021 UEFA European Under-21 Championship group stages by Germany; he holds a German passport due to his father's career in German football. He debuted with the German U21 team in a 3–0 win over the Hungary U21 on 25 March 2021.

Personal life Mateo is the son of former professional footballer Diego Klimowicz, who played for the likes of German clubs VfL Wolfsburg, Borussia Dortmund and VfL Bochum during a span of nine consecutive years. His uncle Javier also played professional football. Klimowicz is of Polish descent via his great-grandfather.