Three NRL clubs are believed to be interested in Sandow.
“I am not worried about it,” he told Sky Sports Radio.
“I have got a good manager and he’s been working on that, I am leaving it up to him.”
Sandow said he had no hard feelings with Warrington.
“Warrington are a good club,” he said.
“I don’t advise against anyone going and checking out Super League.
“It’s hard (relocating to England). I don’t mind the weather and there is a good brand of footy being played — it’s just a long way from home.”