I'd be very surprise if this was true.
It was only 5 days ago that his management said he was happy.
"He would have suitors, but I don't know where that (rumour) has come from," Petroro told AFL Trade Radio.
"Jason Dover, from the Perth office, manages Zac and I spoke to Jason this morning. He said: 'No, no, as far as we all know Zac is really happy where he is'.