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Radoslav Ujfaluši, the Czech former professional footballer, began his career at Sigma Olomouc, a Czech football club based in the city of Olomouc. Ujfaluši played for the club from 1996 to 2000, making a significant impact on the team's success during that period. His impressive performances caught the attention of Hamburg SV, a prominent German club, leading to his transfer to the Bundesliga in 2000.