Ben Simmons is currently a free agent (who is available to sign with any team in the league) on September 15.
He spent last season playing for the Brooklyn Nets and LA Clippers.
The three-time NBA All-Star recently made a post to Instagram.
He wrote: "The land down under #australia"
Many fans reacted to Simmons' post in the comments.
@brandoncisneros48: "Is bro retired?"
@blake22van: "anything but basketball"
@iammentallytough: "Hope you're enjoying your life brother. Do not listen to anything negative people have to say, do what is best for you and what makes you happy. As much as I wanted to eventually work with you and have you stay with the Sixers... I am wishing you the best of luck!"
@white.chocolate.jr: "Ben please don’t leave basketball, I love you man 😢"
@camerontcasey: "Ben you would make such a difference on the warriors man, come to the bay, it’s time."
Simmons was the first pick in the 2016 NBA Draft after one season of college basketball at LSU.
He spent the first part of his career playing for the Philadelphia 76ers.