Start Chase Brown. This isn't a coin flip.
Here's the whole case, and it's enough: 11 touchdowns and 69 catches last season. That is a back who scores and a back who stays on the field when his team is losing. Week 1 matchups are usually about role uncertainty — you're guessing at snap counts for a dozen guys on your roster. Brown isn't one of them. His role is already written.
Now add Tampa Bay, which ranked 31st in yards after contact allowed to backs. That number matters more than a generic run-defense ranking, because it tells you where the yards come from. A defense that can't finish tackles lets backs fall forward — and falling forward is exactly what a between-the-tackles runner with a receiving profile gets paid for. Contact doesn't end the play against this front. It extends it.
The 69 catches are the part I'd underline. Touchdowns are volatile week to week; targets to a running back are not. If Cincinnati is trailing in the fourth quarter, Brown is still on the field. If they're protecting a lead, he's still on the field. That two-way usage means the game script has to break badly in a very specific way for him to bust — and even then, the checkdowns keep the floor under him.
The headline calls it first-round production. I won't go that far — one game doesn't deliver a season. But the profile is a locked-in starter with a ceiling week, and that's the cheapest kind of win you get all year: no projecting, no hoping. Just play him.
What would change my mind: an injury designation surfacing before kickoff, or reporting that the backfield is genuinely splitting work in Week 1. Absent either, I'm not overthinking this.
The Bucs can't tackle backs after contact. Brown catches passes and finds the end zone. Put him in your lineup and go worry about a receiver instead.

