This is one of the stranger free agency sagas the league has seen in a while. Arnold was a first-round pick out of Alabama in 2024, the guy the Lions handed a starting cornerback job to as a rookie. Then came the felony charges - armed robbery and kidnapping among them, 8 counts in total out of Florida - and Detroit cut him loose. He cleared waivers unclaimed, which should have been the end of it for a while. Instead, it's turning into the opposite: teams are lining up.
The legal process is still very much running in parallel with the football process, which is what makes this so unusual. Arnold's case has been going through a Florida court on house arrest terms, and this week's hearing was reportedly about whether he'd be forced to wear a GPS monitor while the case plays out. A judge ruled he doesn't have to - clearing the way for him to keep working out for teams pending trial. That's the same hearing where his agent, Nicole Lynn, laid out exactly who's calling.
The four teams named in Arnold's agent's testimony, per Aaron Wilson.

Texans, Colts, Seahawks, Jets. Four teams reportedly checking in on a player who, a month ago, looked like he might not get a call from anybody. That's either a testament to how badly secondary-needy rosters are willing to bet on talent, or a sign of just how thin the cornerback market is in July. Probably some of both.
And now it's moving from smoke to actual process. Adam Schefter reported Arnold took a physical in Houston on Thursday for the Texans, with two more team visits scheduled for next week.
Schefter's report on Arnold's Texans physical and the two visits lined up next week.

A physical isn't a signing, and it's worth remembering Arnold is still presumed innocent and still working through a felony case that hasn't gone to trial. But teams don't fly guys in and put them through medical evaluations for fun - it's a real signal that at least one club is seriously kicking tires. Houston has been retooling its secondary and clearly isn't scared off by the legal cloud hanging over him.
Whether any of these four teams actually pulls the trigger is the next question, and it might not take long to get an answer given Arnold's already got two more visits on the calendar. For a guy who was a Day 1 starter as a rookie less than two years ago, this is about as fast a fall and as fast a scramble back as the league has seen - and it's still unfolding in real time.