This is what I heard from a reliable source. Carney starts against BC...ND, probably Collins with a dash of Filadi??
Part of building culture is keeping your promises and managing expectations. Fran made a promise to Luke and his parents that he would red-shirt Luke this year. Promise kept! As a result, I'm reasonably sure you won't see Luke in the portal.
If all this is true, I think that helps explain why play calls were so limited for Luke. If he throws the ball all over the yard, fans would be clamoring why he didn't play more. Temper expectations by having him hand the ball off in his limited playing time. I'm looking forward to his start against BC.