Ashton Jeanty went down at Raiders practice on Sunday and it wasn't the good kind of down. The 6th overall pick from a season ago, coming off a Heisman-runner-up junior year at Boise State where he ran for 2,601 yards, is exactly the kind of player a franchise builds its offense around. So when he couldn't put weight on his leg leaving the field, the entire building felt it.

Adam Schefter was quick to confirm the severity of the optics, noting Jeanty needed help just to get off the field after the play.
Raiders RB Ashton Jeanty was helped off the practice field today after this:
What really told the story wasn't the injury itself, it was how the Raiders reacted. Teammates reportedly gathered as a group on the field to acknowledge what had just happened to their guy, the kind of moment you don't see over a routine tweak.

The stakes here go beyond one practice rep. Jeanty signed a fully guaranteed 4-year, $35.9 million rookie deal last spring, the second-most guaranteed money for any running back in the league behind only Saquon Barkley, and Las Vegas built its entire offensive identity around him under new head coach Klint Kubiak's run-heavy scheme. Losing him for any real stretch reshapes the Raiders' Week 1 plans and torches fantasy drafts across the country with the season bearing down.
Schefter followed up shortly after with more detail on the situation as it developed, and further reporting characterized it specifically as an apparent knee injury sustained diving for a low throw during a team drill.
More about Raiders RB Ashton Jeanty leaving practice today with an apparent knee injury, via @ryanmcfadden_: https://t.co/E1I332kOOs
No word yet on imaging results or a timeline, and the Raiders haven't put out anything official beyond confirming Jeanty was helped off. Until testing comes back, this is the waiting-game portion of NFL injury news that nobody enjoys, especially for a team that just handed a rookie running back the second-richest guarantee at the position in the league.