NAPA – While he’s at the Napa Valley Marriott, we haven’t seen running back Trent Richardson at a Raiders training camp practice.
The Raiders' full squad opened training camp on Friday, and four players who were expected to be in uniform were not.
Editor’s note: Insider Scott Bair will be providing position-by-position breakdowns each day leading up to Raiders training camp, which opens on July 31.
The Raiders have had a flurry of offseason activity as they've continued to remodel the team.
Stay up to date with the team transactions tracker: