There are only three qbs on the public version of the spring roster. The spring game is really more of a practice with some situational stuff these days. Everyone gets reps
I would put those three guys under as much real world, game like friction as possible. It has to be cut to two before training camp because by that point, there are only so many reps to go around. They'll basically get four weeks in spring, two weeks in training camp, then you are on to game prep. Looking at it from that perspective, I see a premium being placed on every rep for those three kids.