Sérgio Cláudio dos Santos (born 27 June 1971) better known as Serginho is a Brazilian former footballer, who last played as a left winger and left back for Italian club A.C. Milan in 2008. Prior to joining Milan in 1999, he played for several Brazilian clubs. Known for his energetic attacking runs down the wing, with Milan he won the Champions League twice, in 2003 and 2007, as well as the Serie A title in 2004, among other trophies. At international level, he also represented Brazil at the 1999 FIFA Confederations Cup, and was part of the team that won the 1999 Copa América.