Millwall's young midfielder Dean Canoville played for Norwich City Reserves against Bishops Stortford on July 17th 1999 in a 2-2 draw. He was replaced by Peter Grant. Dean, referred to as Darren by the Eastern Daily Press had played twice for the Millwall side by the end of the 1998/99 season but neither appearance had been in the most recent campaign.

According to the Ultimate Book of Non League Players 2003 (by Steve Whitney), Dean has spent time with Welling United, Chesham United, Hampton, St Albans and Walton & Hersham. He also joined Plymouth Argyle but injury forced him out of the professional game. Joined Chertsey Town before moving to Ryman league Division One south side Molesey in July 2002.

In March 2003, he moved on again, joining Tooting & Mitcham United. Despiute scoring seven goals in eight appearances, Tooting released him in May 2003 and he signed for Aylesbury in August 2003. He signed for Yeading on 10th August 2004.