I mean the biggest red flag here now for DeBoer is that his teams come out looking completely unmotivated. Last season vs OU, he lost 24-3 with everything on the line. And instead of using that as fuel, he lost at home to them. And now, being 0-2 vs Venables and the entire country disrespecting your program, the team has come out soft yet again.
He had time to prepare, get his guys healthy, and challenge the team to play with fire. Yet for the second straight year, the team has regressed.
Not saying he isn't a good coach or we'd be better off with someone else. But god oh mighty, the body language from the team and leadership tells you everything you need to know.