Yasmin Duursma will replace Ella Boag in Port Adelaide’s starting 21 this Saturday against Geelong.
Boag left the ground during training on Thursday with an ankle issue and will undergo follow-up scans to determine the extent of the injury.
Olivia Levicki will take Duursma's place in the emergencies.
Saturday’s game starts 12:35pm at Alberton Oval, with gates opening from 11:05am.