Sergio Pupovac
Sergio Pupovac (born 5 July 1979), also known as Serdo or Serdjio Pupovac, is a retired French-born Luxembourgish footballer who played as a striker. Club career. Pupovac started his career at French fifth division side Levallois SC before moving to Luxembourg. He topped the Luxembourg National Division goalscoring table, with 24 goals for Racing FC's predecessor club, CS Alliance 01, in 2004-05. In 2009 he has played 5 matches for the Luxembourg national football team.