Career
Spong began his career as a youth player with IK Frej and IF Brommapojkarna, before moving to England with Coventry City in 1999 where he didn"t make a single first team appearance. He returned to Sweden in 2002 with Djurgårdens IF, later signing with IFK Norrköping in 2005. He signed for GAIS in the 2009 season.