Rugby league great Brad Fittler says Sonny Bill Williams has put himself in the same position as Hawthorn's Lance Franklin, in that he can demand whatever price he likes for a contract.

Fittler told SportsFan's Clubhouse that the biggest difference was that he could be lured away to a different code, which could be a disaster for the NRL.

"Hopefully we don't lose Sonny because the kids come through and they watch these players and follow them wherever they play, and I want them to think about playing rugby league," Fittler said.

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