Career
Brush started his career with Coventry City where after one year as an apprentice, he signed a three-year professional contract. Whilst at the club went out on loan to Tamworth in November 2003 with his loan spell being extended into a second, and then a third month. His time at Coventry included a wrist injury which led to him missing an entire season.
He moved to a month by month contract in June 2005, before parting ways with Coventry at the end of August 2005 when his contract expired.
He joined Shrewsbury Town on trial at the end of the 2004/05 season and was named as a substitute for a league match again Bristol City on Boxing Day 2005. He played for the club"s reserves and remained with the club, still without a contract.
He left Shrewsbury in January 2006. and next joined Nuneaton Borough Brush"s next move was to club where he made his debut against Shelbourne on 28 July 2006. He stayed with the club until 2010.
He was then signed by on 21 July 2011.
He made his Rovers debut on 3 September 2011 against Dundalk helping Rovers to a 2–1 victory. He made 2 appearances in the 2011-2012 Union of European Football Associations Europa League as Rovers became the first Irish side to reach a European competition group stage. He returned to Sligo in January 2012.
Brush signed back for The Hoops in December 2012.
Finn Harps In January 2016, Brush started training with newly promoted Finn Harps with a view to signing for the 2016 season.