Date of birth
The 25-year-old centre-back played every minute of every game for the Saddlers in 2017/18, clocking up 52 appearances in total.
Guthrie began his career with Pewsey Vale in Wiltshire before signing for Crewe in 2011.
He scored once in 137 appearances for the Railwaymen before opting to join Walsall ahead of the 2017/18 campaign, signing a two-year deal.
Guthrie was an ever-present last term and scored his first, and to date only, Saddlers goal in a 2-2 draw at Blackpool.