I don't see him going right into another coordinator job. It's certainly possible but I just dont see it. The good news for KM is that hes still only 35 years old and is incredibly young for the position he has. I think he could realistically go two routes.
1) Go to college and probably even get a HC gig right away. Honestly his offensive style, especially in the pass game seems better suited for the college game than the NFL level.
2) Humble himself a little bit and take a step back. Go back to a position coach or pass game coordinator role where he can continue to learn from an actual OC. An NFL team could even slap the "Assistant HC" title on him as an ego boost.
I've said for a while I absolutely see what Jerry fell in love with in Kellen. The guy is a really strong play designer and I even loved when he would get creative with formations, but hes never seemed to really understand the bigger picture of play calling. There was never really any methodology in his play calls, nothing really ever progressed as the game went on, etc. So many vertical routes with nothing that really played off of them. Pre snap other than the occasional jet sweep motion nothing really kept the defense guessing, and even that felt very predictable. Route concepts hard matched down/distance situations.
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