She has also played Australian rules football for Greater Western Sydney in the AFL Women's (AFLW).

Brush joined Canberra United for their inaugural season in 2008 and was named captain, leading the team to the final.

On 16 September 2017, Brush left Canberra United, due to her difficulties juggling a soccer and AFL career.

[7] A strong season in the domestic league led to a call-up to the Matildas team in January 2009, making her international debut in a friendly against Italy.

She made her second cap with the Matildas on 24 June 2012 in an international friendly match against New Zealand in Wollongong.