https://www.prideofdetroit.com/detroit-lions-news/148334/lions-coach-dan-campbell-explains-why-he-took-over-play-calling
“When you’re the head coach and you know how you want it to look, it’s one thing to kinda say how you want it to look, but it’s hard to crawl into my head. […] I just know I have a good feel of our players and I know what we’re capable of, I know what they’re capable of,” Campbell said.
“John is vital to me. He gives me critical information that deals with the pass game,” Campbell said. “That, number one, is his baby. That’s his bread and butter. That’s one of the things he does well. So I think that’s the best I can say. He’s good. I’m glad he’s here.”