Former Australian Test batsman Michael Hussey has announced he will play his third and final season in the Big Bash League for the Sydney Thunder, but has left the door open to continuing his career overseas.

The 40-year-old admitted he could be headed to India again at the conclusion of the BBL.

“I’m not 100 per cent sure (retirement). There might be another opportunity to play in the IPL again, but I’m still weighing that up,” Hussey told AAP.