In that case:
Will Brooks
Michael Chandler
David Rickels
Dave Jansen
Lowen Tynanes
Koji Ando
Also, Poirier is only 26. I don't know that I would rule him out just because he's been busy. Kind of like Stefan Struve. He may be a veteran by definition of cage time in the UFC, but the kid is still learning shit every day, and still improving every fight.