He was born in Leicester, and started playing for Grace Dieu Park Cricket Club in Thringstone.

In January 2009, Buck made five Under-19 One Day International appearances for England in a tour of South Africa.

Buck made his first-class debut for Leicestershire against Loughborough UCCE in April 2009 taking a wicket.

After taking 49 County Championship wickets in his first full season, Buck was called up to the England Lions cricket team in January 2011 for their tour of the Caribbean.

He was also selected for the ECB Fast Bowling programme in India coached by former Australian legend Dennis Lillee.