Jake Batchelor joins St Kilda's new-look coaching panel for 2019.
Batchelor will take on the role of defensive development coach after a season with Frankston in the VFL as a playing assistant.
"Jake is someone not long out of the game who we've got to know through his involvement this season," St Kilda head of football Simon Lethlean said.
"He's just come out of the system, so we think he can play an important role in helping develop our young defenders."