NICK Blakey is seeking a trade to North Melbourne as the AFL ticks off a five-club deal, paving the way for Zak Butters' move to the Western Bulldogs.

The 26-year-old Sydney defender has nominated the Kangaroos as his preferred destination after also meeting with Geelong, St Kilda and Gold Coast.

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As reported on AFL.com.au on Thursday, North turned Blakey's head with a reported eight-year offer worth more than $11 million, before he toured Arden Street and completed a medical on Friday.

Sydney will still need to agree to move the 2024 All-Australian, who will likely command a hefty price at the trade table with five years remaining on his contract.

The Kangaroos hold picks No.5, 45, 64, 72 and 82 in this year's draft, plus future first-round picks in 2027 and 2028.

Swans list boss Chris Keane did not rule out listening to trade offers, but suggested brokering a deal would be "significantly challenging".

The dashing half-back's father John Blakey played 224 games for North Melbourne, including the Roos’ 1996 and 1999 premierships.

Blakey was one of five Sydney players who served a club-imposed ban through the finals for breaching the Swans' behavioural standards at the Pullman Hotel in East Melbourne.

The players' punishment was separate to an ongoing Victoria Police investigation into an alleged sexual assault at the hotel.

North Melbourne has also been in talks for Nick Murray after the young Adelaide defender requested a trade to Arden Street.