What t-shirts do they usually have at the wwe house shows?

I'm going to a raw tour house show thing later this month and I wondering whose shirts do they usually sell? There are so many superstars on the wwe roster I wondering which ones they will have and which ones they won't. I'm wanting an alberto del rio which is on wwe shop but he never wears it and he's not a very popular wrestler so I'm wondering if they have everyone from the raw roster's shirts or just some