A few basic rules apply when interviewing a coach, any coach, particularly one who has been winning regularly.
You probably bag questions about his rival until later in the discussion. And if the rival is mentioned, which could indeed be relevant, you try and avoid question-answer fatigue.
It’s also advisable to sidestep past issues surrounding past personnel when they have zero pertinence to a new season. In other words, that Connor Cook wasn’t made a Michigan State football captain might have been worth discussing in August of 2015 when he was a MSU senior. But it’s not exactly high on the inquiry list now that Cook plays for the Oakland Raiders.