Luck appeared on the Pittsburgh-based show on Tuesday morning, and while he did not comment directly on the ongoing investigation into the source for various media reports concerning offensive coordinator Dana Holgorsen, he did admit that he still does not know what the facts are concerning the interactions between Holgorsen and head coach Bill Stewart.
"It's difficult to know what's fact and what's not," he said. "Before I make any comments, I've got to spend some time trying to figure out what the facts are."
Later in the day, Luck issued a statement that appears to pull the curtains down on any public comment.
"There have been various reports, much speculation, and rumor around our football program and coaches," said Luck in a prepared release from the school's sports communications staff. But I want to make it clear that I consider these to be personnel matters and while I take them very seriously, I am dealing with them internally and privately – and I will not discuss them publicly.
"What I will say is that our athletic department coaches and staff are clear that their focus is on the program, the team and a successful season.
"My expectations of all our coaches and staff have not wavered; that is to run a clean and honest program with the utmost integrity and professionalism. Anything less is unacceptable and will not be tolerated."
Luck also admitted on the radio show that he has been having second thoughts about the entire coach-in-waiting scenario that he devised. The plan was to bring Holgorsen on board and let him learn the ropes of head coaching duties, but that process has not seen much progress during his five months on campus.
"Well, I thought it made sense at the time because Dana was given an opportunity to come in and focus on teaching the offense to a team that had some offensive challenges the last couple of years," Luck said on the show. "It was an opportunity for Stew to act as a mentor, to give [Holgorsen] a bit of understanding about the state and the culture of Mountaineer football. So it my mind, I thought it made some sense. In retrospect, we can all second guess. Would I do it again? I don't know."