South Korea's Ki Sung-Yueng (R) and Celtic football club Chief Executive Peter Lawwell pose during a news conference in Seoul December 21, 2009. Ki has signed a four-year contract with Scottish Premier League soccer club Celtic. REUTERS/Lee Ji-eun/Yonhap (SOUTH KOREA - Tags: SPORT SOCCER) NO SALES. NO ARCHIVES. SOUTH KOREA OUT. NO COMMERCIAL OR EDITORIAL SALES IN SOUTH KOREA