Career
He notably played for Rangers and Mansfield Town. He played between 1989 and 2004. Walker started his playing career for Clydebank in 1989.
The following year he earned himself a move to Rangers but in three years at Ibrox he only managed 3 first team appearances.
In 1993 he made a move back to Clydebank, He then made a move to England in 1995, signing with Grimsby Town. He was brought Blundell Park by Brian Laws as the clubs highest paid player, after 3 years he then joined Mansfield Town following a loan spell at the club
After spending time with Scarborough and Kingstonian, he returned to Scotland in 1999 to play out his career for Greenock Morton, Clydebank and Hamilton Academical.