Sydney coach Paul Roos says it will take a first-round draft pick for the Swans to trade in-demand premiership AFL forward Ryan O'Keefe.

O'Keefe has met with several Melbourne-based clubs about a possible move, with Carlton, Collingwood, Hawthorn, Essendon and the Western Bulldogs all believed to be interested.

The Blues have reportedly offered the 27-year-old a three-year deal worth $1.5 million, after he turned his back on a slightly lower offer from the Swans.

"I'm not sure whether he'll stay or whether he'll go," Roos told the Ten Network.

"We probably need to get in front of Ryan, but there is a chance that he may leave and we're just trying to work through it.

"He's obviously a very talented player, so he's obviously (worth) a first-round pick.

"I think every club would see him as such, so we'll wait and see."

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