There's a real good chance that those Verified Resale tickets are tickets that Bucs season ticket holders are selling. As Hazlet Hacksaw has already pointed out they are 100% legit.
I'm assuming that you're thinking about going to Rams - Bucs. I hope you go. And I hope you have a blast!
If you do go that route then you will know how season ticket holders can sell tickets to the other teams' fans. First hand experience is sooooo valuable!
AlbaNY_Ram