SOME big names and some big men joined an ever-expanding club during this year's Trade Period.

And a new Swan formed an exclusive club all on his own.

With his last-ditch move from Collingwood to the Western Bulldogs, Adam Treloar became the most recent addition to the three-club players list after starting his career with Greater Western Sydney.

Shaun Higgins, Adam Saad and Jesse Hogan all joined a third club, as did ruckmen Stefan Martin, Braydon Preuss and Shaun McKernan.

But it was Tom Hickey who created history, with the big Queenslander not only signing on for a fourth club, but becoming the first man in the AFL to play for clubs in four different states.

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He's played for Gold Coast, St Kilda, West Coast and will now line up for Sydney in 2021.

Ruckmen certainly seem the most mobile in this era of player movement, with Martin joining the Bulldogs after previously being at Brisbane and Melbourne, while Preuss is at the Giants following understudy stints at the Demons and Kangaroos.

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Saad was also another high-profile move, joining Carlton after previously being at Essendon and Gold Coast, while Higgins continues his career at Geelong after playing for North Melbourne and the Bulldogs.

Hogan is on to his third state with a contract at the Giants after stints at Melbourne and Fremantle, while McKernan is now at St Kilda following Essendon and Adelaide.

The lists below include current players only.

Three-club club 

*Players who moved clubs in this year's AFL Trade Period

Four-club club

*Players who moved clubs in this year's AFL Trade Period

Listed, but didn't play for original club

*Didn't play a game for this club