At age 15, Griffin left high school in Belfast six months early to join St Johnstone.
Griffin was beginning to develop a good relationship with St Johnstone and he felt there was much more he could learn from Paul Sturrock,[3] so he turned down the move.
[4] After seven years in Perth, Griffin followed manager Paul Sturrock to Tayside rivals Dundee United, for whom he would eventually become captain.
Following injury problems, Griffin lost his regular place and joined English side Stockport County in 2004 as a free agent.
[5] In June 2006, Griffin became one of new Dundee manager Alex Rae's first signings, agreeing a two-year contract.