I'd take Laird over Bartel any day of the week. Bartel way to prone to a game off or a poor game.Laird finishing top 6 is far from certain given some of the other talent down back this season. Simpson is top 6, but Laird will be just outside imo (and not because of his average score last night).
I've got the top 6 defenders as:
Shaw
Boyd
Simpson
Vince (in current role)
Docherty
Bartel
Then 7-10:
Kelly (stiff to miss out)
Laird
Suckling
Pittard
McVeigh returning to form, Johannisen returning from injury and Hanley in his current form will also be pushing top 10.