Erm, the original post was JT at QB, Cardale at RB... don't think it could work any other way. Both would have to be in the backfield. In Shotgun. With Cardale on the left or right as we often see the RB in Urban's offense.
Neither of them is Pryor... though clearly Brax and Mr. Gibson here are in a similar mold, and thus would be split out (along with QB #5 Jalin).
You could run triple option, read option, jet sweep ... before we even get to the read-option fake, nevermind Cardale long ball to Gibson. Or triple-option fake, Braxton to Gibson once his shoulder is better.
Hell, I'd pay money just to see Cardale and JT lined up next to each other. The "RB" doing the snap count... and then hiking it to the "QB". Just to screw with the minds of every poor soul in the stadium -- and especially the media.