 Born in Mold, Flintshire, Spender came up through the youth system at Wrexham and made his debut in a 0–0 draw with Plymouth Argyle in March 2004.He made six appearances in the 2003–04 season, impressing in a 2–1 win over Luton Town.He made 19 appearances in the 2004–05 season and was rewarded with his first professional contract in May 2005.