Born in Shoreham-by-Sea, West Sussex, Murphy broke into the Arsenal Reserves team as a schoolboy while also scoring 17 goals in 21 games for the Arsenal Academy. Murphy was previously an academy player for Wimbledon before joining Arsenal Academy.
He joined Brentford on loan for three months on 24 November 2009.
On 2 August 2011, it emerged that Murphy was having a trial with SPL Champions Rangers, featuring for the reserves in a 2-1 friendly win over Hamilton.
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