I'm looking to put all my upgrade cards in the same binder as my pilot cards (which are an easy standard size)

I know the upgrade cards are mini usa sized (1 5/8 x 2 5/8).

All I can find are individual protectors, does anyone know where to find sheets?

Thanks

Best solution I know of is business card holder sheets. They are still a bit big but work well as long as you don't shake your binder to much. Hopefully someone has a better idea

Regular 9-pocket card holder pages work well if you put your sleeved upgrade cards in sideways, two at a time side-by-side.

As people have said, the regular 9-pocket sheets work great. That being said, make sure you buy the side-loading 9-pocket pages because they will be a lot better for your needs than the cheaper top-loading pages that you can get at most WalMart and Target stores. Go to any hobby shop that specializes in collectible cards and you should be able to find what you are looking for.

I disagree. I think the side loaders don't hold the cards as well because they have less perimeter seam than top loaders. I tried both and use only UltraPro toploader page now because the upgrade cards slipped out (even while sleeved). In the toploader page, the furthest card is a little harder to get at, but none have ever slipped out.