Mathias Flaga Olesen (born 21 March 2001) is a Luxembourger professional football player who plays for Bundesliga club 1. FC Köln and the Luxembourg national team.
Mathias Flaga Olesen (* 21. März 2001 in Kopenhagen, Dänemark) ist ein luxemburgischer Fußballspieler, der aktuell für den 1. FC Köln in der Bundesliga spielt. (de)
Mathias Flaga Olesen (born 21 March 2001) is a Luxembourger professional football player who plays for Bundesliga club 1. FC Köln and the Luxembourg national team. (en)
Mathias Olesen, né le 21 mars 2001 à Copenhague, est un footballeur international luxembourgeois qui évolue au poste de milieu de terrain au FC Cologne. (fr)
Mathias Flaga Olesen (Lussemburgo, 21 marzo 2001) è un calciatore lussemburghese, centrocampista del Colonia II e della Nazionale lussemburghese. (it)