From the video

Video: Preseason Week 2 Fantasy Football Takeaways: How high is too high to rank De'Zhaun Stribling?
Tank though apparently while he has been back at practice and doing something, still not really being out there with team. Seems like it's this situation where they're still kind of ramping them up, not quite ready to release him.
Mentioned at 30:26 – 30:40Captured by STACKED 7 hr after posting

STACKED’s take

Negative signalInjury

Back at practice but not yet cleared for full team participation

Tank Dell has been back at practice and doing something but is still not really being out there with the team. Appears to be a situation where the Texans are still ramping him up and not quite ready to release him.

Tank Dell headshotTank DellWR · HOUPlayer page — value, ADP, projections, and every insight