An Sang-hyun

Born in Paju, An started his professional career in FC Seoul, then known as Anyang LG Cheetahs in 2002. In his seven-year spell with the club he only made 11 K League appearances, 10 of these coming in 2007, during Şenol Güneş' first season in charge of the club. In July 2009, An agreed a loan move to Gyeongnam FC for the remainder of the 2009 season, and stayed on at Gyeongnam for 2010. An proved to be a regular starter for his new club, playing 35 games in his 18-month spell. On 25 February 2011, An joined Daegu FC. An made his Daegu FC debut on 13 March against Gangwon FC in a 1–0 home victory.

An has represented South Korea at both Under-17 and Under-20 level. In 2003, he was part of the team that went to Finland to participate in the U-17 FIFA World Championship, and played in all three group games.