Career
Bonner began his career in the Queens Park Rangers Academy before he signed a professional contract with Northampton Town in 2005. He went on loan to Bedford Town and Nuneaton Borough before he signed with Rushden & Diamonds in January 2007. At Rushden he went out on loan to Bedford Town and Heybridge Swifts.
During his spell with Bedford Town he notably scored the winning goal in a play off final against Chippenham Town to secure Bedford"s promotion to the Conference South.
He was released by Rushden in May 2007 and went on to play non-league football with Hinckley United and Ilkeston Town. In 2010 Bonner joined Conference Premier side Dartford and after spending three seasons at Princes Park he signed with Cambridge United in May 2013.