[2][3] He signed a one-year contract with Watford on 7 July 2004,[2] where he made two appearances in the League Cup in the 2004–05 season,[1] scoring the winning goal in the first round against Cambridge United.

[1] In his first season with the club, he was a regular in central midfield, making 38 appearances and scoring two goals in all competitions as Hereford reached the 2006 Conference National play-off final and won promotion to League Two in May 2006.

[18] He scored a penalty kick to give York a 1–0 victory over Corby Town in the FA Trophy third round,[19] which proved to be his final appearance for the club after signing a one-and-a-half-year contract for Gateshead on 1 February 2010 for a fee of £3,500,[20][21][22] making his debut on 6 February against Mansfield Town.

[29][30] He joined Conference North side Blyth Spartans on a one-month loan on 12 March 2012.

[31] Ferrell scored on his debut for Blyth the following day in a 3–3 draw away at Droylsden, and went on to play seven times for the Northumberland club during his loan spell.

He was appointed manager of Bedlington in May 2015[37] and was relieved of his duties in September 2016 after overseeing relegation in his first season.

[39][40] Ferrell was charged with conspiracy to supply class A and B drugs and was jailed for four years in June 2013.