The Lions have a secondary problem now. Terrion Arnold, Detroit's 23-year-old cornerback and a former first-round pick, cleared waivers Monday and is a free agent after being arrested on felony charges of armed robbery and kidnapping in Tampa. Two seasons in, the roster investment is gone, and the market needs to catch up.

Arnold was drafted to be a long-term answer at corner. Losing him is not a depth cut, it is a starter-caliber vacancy at a premium position. Detroit's defense had real upside priced into futures before this. The Lions' win total and division odds both carry an implicit assumption about secondary quality, and that assumption just changed.

Here is where I am watching the numbers move. Detroit's win total had been sitting in a range reflecting a competitive NFC North contender. A starting corner gone with no replacement named yet is a legitimate push lower, probably one to two wins depending on how the front office responds. If they add a veteran corner with starting experience in the next two to four weeks, the market should stabilize. If they roll with current depth, the total is overpriced at its current number.

On futures, the Lions' NFC North division odds and Super Bowl number both reflect a team with a credible defense. I had Detroit as a reasonable value in the NFC before this news. Right now I am holding off. The felony nature of the charges means there is no quick reinstatement path, and the NFL's personal conduct policy ensures this is a full-season absence at minimum.

Props are a closed book here, nothing I will put into print until I see what Detroit does at corner in response. But the defensive unit props and team totals for early-season games against strong passing attacks deserve a second look once the roster shakes out.

What I am watching: Detroit's next roster move at cornerback. A proven veteran signing changes the calculus. No move by late July and the win total becomes interesting on the under side. That is the confirmation I need before the number is actionable.