Career
He came to Cyprus in 2002 and joined Apollon Limassol from Odra Wodzisław Śląski. In 2007, he moved from Apollon Limassol to Anorthosis Famagusta Football Club. In his career he played also for Wisła KrakóWest Sosin was top-goalscorer of the Cypriot First Division three years in a row (2003-2004, 2004-2005, 2005-2006) while playing for Apollon Limassol.
During 2007-2008 campaign he was joint top scorer (the other being David da Costa of Doxa Katokopia.
On 3 January 2010 Association for the Study of Internal Fixation Kavala have signed the former Polish international and Anorthosis Famagusta forward. The next season he moved to Aris Limassol signing a two-year contract.
He also played 4 times with the Poland national football team, scoring 2 goals in his debut a friendly against Saudi Arabia in March 2006. Sosin did not regularly get called up for Poland since he fell out with Dutch coach Leo Beenhakker.
His last game was against San Marino in April 2009, where he struck the post, and provided an assist on Marek Saganowski"s goal.
Position
In the beginning of his career he played as a sweeper and plays now as striker.
