Career
Picken retired from football on 30 April 2014 after failing to recover from two serious knee injuries. Chesterfield
Picken played for Chesterfield on a loan basis from 18 August 2005 until the end of the season, and later joined the club on a permanent basis after being released by Manchester United. He made 37 appearances for Chesterfield in the 2007-2008 season.
He fell out of favour in the Chesterfield team in 2008-2009, and was consequently loaned out to N ottinghamshire County.
However, the Spireites" manager was sacked at the end of the season and new manager, John Sheridan gave the whole squad a clean slate and Picken soon became the first choice right back at Saltergate again. He was released at the end of the 2009/10 by Chesterfield.
Bury
He signed for Bury on a free transfer on 4 August 2010. Picken suffered a knee injury in a game against Preston North End in September 2012 and was subsequently ruled out for the rest of the season, with Bury suffering relegation in his absence.
On 28 May 2013 it was announced that Picken would miss the entire 2013-2014 season following further setbacks with his injury.
Because of this, he was not allocated a squad number.