 Brennan was the winner of the Susan Alberti Award for the Western Bulldogs's best female player at the end of the 2015 exhibition season.She received the VFL Women’s Best and Fairest award and the VFL Women's leading goal-kicker award for her performances in the 2017 state league season including kicking 20 goals across the last three matches of the season.This despite an ankle injury that limited part of her season.