The Raiders signed Brown to a contract Sunday.
Thornton (undisclosed) did not participate in Sunday's practice, Sam Warren of The Athletic reports.
Benson has been getting more reps with the first-team offense, Levi Edwards of the Raiders' official site reports.
The Raiders placed Jackson (undisclosed) on injured reserve Saturday.
The Raiders signed Fatukasi to a contract Saturday, Jeremy Fowler of ESPN.com reports.
Colson made five tackles (three solo) in Thursday night's preseason opener against the Texans.
Reed logged three tackles (two solo) during Thursday night's preseason opener against the Texans.
McConkey did not play in the Chargers' 27-7 preseason win over the Texans on Thursday.
Nailor played eight snaps on offense during Thursday's 27-14 preseason loss to the Cardinals. He did not show up in the box score otherwise.
Rogers logged two tackles (one solo) during Thursday night's preseason opener against the Texans.
