In July 2003 Saker made his first-class debut against India A, he scored 5 and bowled 15 wicketless overs.
In September of the same season he made his county cricket debut against Essex, his maiden first-class wicket being that of Alastair Cook.
At the end of the season he became the first Surrey Academy player to sign a full-time professional contract with the county.
During the 2010 Clydesdale Bank 40 domestic limited overs competition, Saker was added to the Unicorns squad to play against the regular first-class counties.
[1] He appeared for Unicorns again in 2011 and also played for Kent in four first-class matches in the same season, but did not win a long-term contract.