Mayer (nose) returned to practice Thursday, Sam Warren of The Athletic reports.
Ogunbowale signed a contract with the Raiders on Wednesday.
Tranquil is currently dealing with back spasms, Pete Sweeney of The Kansas City Star reports
Bassa is currently dealing with a groin injury, Pete Sweeney of The Kansas City Star reports.
Delane (shoulder) was limited at the Chiefs' training camp practice Wednesday, Pete Sweeney of The Kansas City Star reports.
Las Vegas signed Myarick on Wednesday.
Worthy (shoulder) remained sidelined at practice Wednesday, Matt Derrick of ChiefsDigest.com reports.
Rice (knee) is participating in 11-on-11 drills at Wednesday's practice, Nate Taylor of ESPN.com reports.
Nailor has been the best receiver at Raiders training camp, Case Keefer of the Las Vegas Sun reports.
Based on what he's seen through six practices, Ryan McFadden of ESPN.com suggests that the Raiders' top three receivers are Tre Tucker, Jalen Nailor and Benson.
