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.
McConkey did not play in the Chargers' 27-7 preseason win over the Texans on Thursday.
Reed logged three tackles (two solo) during Thursday night's preseason opener against the Texans.
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.
Colson made five tackles (three solo) in Thursday night's preseason opener against the Texans.
Johnston did not play in the Chargers' 27-7 preseason win over the Texans on Thursday.
Thornton (undisclosed) did not play in Thursday night's preseason opener against the Cardinals.
