The veteran will go around again in 2023.
The 24-year-old is set to pursue a punting career abroad.
The former Bulldog was delisted by the Blues after playing just two games in 2022.
The St Kilda assistant will work under Luke Beveridge from next season.
AFL 2022 Trade News & Rumours
A deal between the two clubs could be sorted early into the trade period.
After a finals drubbing in 2021, Scott was left questioning his future at the club.