Yes. It will according to the 9 different people I spoke to online and in the store. I don't see why they wouldn't let you.
Here they advertise the different offers they have also.
iPhone: Get the iPhone 6 and iPhone 6 Plus from Sprint
I sure hope so! I've asked as well but we know how that goes. But the new CEO did say employees would know everything they needed to know from now on. Fingers crossed.