hawkman
Hall of Famer
Ruckman i will agree are more likely to make a jump at a new club. I'm more thinking of the fringe players who have been at a club for awhile and might play 5-10 games a year when there are injuries . Some of those listed like Greenwood, Lyons, McCarthy were generally best 22 until late in the season or injuredBen Keays
Jarryd Lyons
Hugh Greenwood
Sam Collins
Tom Hickey
Jack Steele
Josh P Kennedy
Jarrod Witts
Matt De Boer
Lincoln McCarthy
Tim Membrey
Toby Nankervis
and they're just off the top of my head.
The thing that makes it hard for Constable is that as an unathletic midfielder, you need a point of difference; contested marking, elite disposal, forward craft, crazy pressure whatever it is, but he's yet to show he has any more strings to his bow other than contested ball winning.
Collins went back to the VFL
Geelong have had a lot of them that have gone nowhere at a new club eg Lang, Horlin-Smith, Buzza, Fogarty, Abbott, Jones (showing promise at WC), Thurlow, Cockatoo (more from injuries) and Smedts. Hawthorn had the same in their glory period