Bradley Johnson

Early career

After leaving Arsenal, he made six appearances for Waltham Forest F.C., in the Ryman Division 1 North. He then joined the youth ranks at Cambridge United and after breaking into the first team he then moved to league club Northampton Town, where he signed on 16 May 2005. During his time at the club he was sent out on loan twice, playing for Gravesend & Northfleet and Stevenage Borough. Following the appointment of Stuart Gray as Northampton manager, Johnson featured in practically every single starting eleven that he named and he signed a new two-year contract extension. Johnson began to attract attention from a host of Championship sides, including Coventry City, Colchester United and Queens Park Rangers, but was in talks to sign for Leicester City, after discussing terms at the Walkers Stadium on 2 January 2008. However, the player returned to the Sixfields Stadium, having failed to reach an agreement with the club.

Leeds United

Two days later, Leeds United confirmed reports that they had been given permission from Northampton to speak to Johnson, regarding a contract. He went on to sign a three-and-a-half-year deal for £250,000 after undergoing a medical at the club's Thorp Arch training ground on 8 January 2008. Johnson made his first appearance for Leeds on 14 January 2008 in their league fixture against Crewe Alexandra at the Alexandra Stadium. He scored his first goal for the club at Elland Road in a fixture against AFC Bournemouth on 8…

Johnson is eligible to play for the United States through his grandfather who is from there.

Johnson post retirement retained his role working as a coach in the Derby County academy. In February 2025, Johnson worked as an assistant head coach to first-team caretaker manager Matt Hamshaw. In June 2025, Johnson was appointed as lead under-18 coach at Derby County.

Born in Hackney, Greater London, Johnson was a keen motorcyclist as a child. Johnson's grandfather was originally from the United States. He started his career at his boyhood team Arsenal but was released by the club when he was 15 years old.