Career
He was capped by the Scotland Schoolboys in 2002. Greenhill began his career with Street Johnstone, although he did not play for the first team He then moved to Clyde on a full-time deal and played in their under-19 side for a year, before moving up the first team in the 2004-2005 season.
He made his senior début coming off the bench against Raith Rovers in August 2004.
He was then sent out to Montrose on a season long loan, but this was cut short, and he returned to Clyde at Christmas due to injury. He played for Clyde a further 4 times before leaving in July 2005.
Greenhill played for Berwick for six seasons, before moving to East Stirlingshire in 2012. On the 2 June 2015, Greenhill sign for Lowland League side Spartans.
