Career
At club level, Kłos played for ŁKansas Łódź (1995–1998), AJ Auxerre (1998–2000), 1. Football Club Kaiserslautern (2000–2003), 1. Football Club Köln (2003), Wisła Krakow (2003–2006) and in 2006 returned to ŁKansas Łódź where he played until retiring in 2008.
Foreign Poland, Kłos appeared 69 times, scoring six goals.
Goals for senior national team