Notman, aged 24 was forced to retire earlier this season after failing to recover from crucial damaged ankle ligaments which was sustained in local Derby between Norwich City and Ipswich Town when playing for the Canaries.
As well as playing for Norwich the former Scottish U-21 international played loan games at Aberdeen and at Bramall Lane. At the Lane he played 10 times, scoring 3 goals against West Bromwich Albion, Queens Park Rangers and Barnsley which ended in a 6-0, 1-1 and 3-3 results.
The Walks club have also signed for Blades trainee Mark Camm, he
was signed on a short term contract in October 2003, but has agreed to a 18 month extension after scoring twice in 19 games.