Mateusz Filip Siebert (born 4 April 1989 in

Poznań Poznań () is a city on the River Warta in west-central Poland, within the Greater Poland region. The city is an important cultural and business centre, and one of Poland's most populous regions with many regional customs such as Saint John ...

) is a Polish professional

footballer A football player or footballer is a sportsperson who plays one of the different types of football. The main types of football are association football, American football, Canadian football, Australian rules football, Gaelic football, rugby le ...

who plays as a

centre-back In the sport of association football, a defender is an outfield position whose primary role is to stop attacks during the game and prevent the opposition from scoring. Centre-backs are usually positioned in pairs, with one full-back on either s ...

for

US Rumelange Union Sportive Rumelange, usually abbreviated to US Rumelange, is a football club, based in Rumelange, in south-western Luxembourg. History In the 2005–2006 season, Rumelange finished eleventh in the National Division. It was almost impos ...

Luxembourg National Division The National Division ( lb, Nationaldivisioun, french: Division Nationale, german: Nationaldivision) is the highest football league in Luxembourg. Until 2011, it was known as the BGL Ligue, after the Luxembourg Football Federation managed to sea ...

Early life

Born in Poland, he moved to France with his family at the age of three. His father Bernard is a former professional Polish footballer and his mother Renata a former handball player. He acquired

French nationality French nationality law is historically based on the principles of ''jus soli'' (Latin for "right of soil") and ''jus sanguinis'', according to Ernest Renan's definition, in opposition to the German definition of nationality, ''jus sanguinis'' ( ...

on 3 November 1998, through the collective effect of his father's

naturalization Naturalization (or naturalisation) is the legal act or process by which a non-citizen of a country may acquire citizenship or nationality of that country. It may be done automatically by a statute, i.e., without any effort on the part of the in ...

Career

Club

He made his

Ligue 2 Ligue 2 (, League 2), also known as Ligue 2 BKT due to sponsor (commercial), sponsorship by Balkrishna Industries, is a French professional football league. The league serves as the second division of French football and is one of two divisions ...

debut in October 2008, coming on as a 25th-minute substitute against

LB Châteauroux La Berrichonne de Châteauroux (), commonly referred to as La Berrichonne or simply Châteauroux, is a Football in France, French association football club based in Châteauroux. The football team is a part of a sports club that consists of seve ...

. In July 2009 he joined

Arka Gdynia Morski Związkowy Klub Sportowy Arka Gdynia () is a Polish professional football club, based in Gdynia, Poland, that plays in the Polish I liga. The club was founded as Klub Sportowy Gdynia in 1929. History The history of Arka dates back to ...

on a one-year loan with a buy option. His season ended in March as a result of injury. Despite wishing to retain him, the small club did not take up the buy option due to cost. In February 2011, he joined

on two and a half year contract.

International

Siebert was a part of the Poland U-21 team.U-21: Francja 2–2 Polska
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References

External links

* 1989 births Living people Footballers from Poznań Poland men's under-21 international footballers Poland men's youth international footballers Polish emigrants to France Men's association football central defenders FC Metz players Arka Gdynia players US Rumelange players Ligue 2 players Ekstraklasa players I liga players Luxembourg National Division players Polish men's footballers Polish expatriate men's footballers People with acquired French citizenship French men's footballers Expatriate men's footballers in France Polish expatriate sportspeople in France Expatriate men's footballers in Luxembourg {{Poland-footy-defender-stub