Alaka (undisclosed) reverted to the Ravens' injured reserve Wednesday, Luke Jones of WNST reports.
Alaka (undisclosed) was waived/injured by the Ravens on Tuesday.
Alaka (knee) passed his physical and has been activated off the PUP list, NFL reporter Aaron Wilson reports.
Alaka (knee) was placed on the preseason PUP list Thursday, Jamison Hensley of ESPN.com reports.
The Ravens placed Alaka (knee) on injured reserve Monday.
Alaka is doubtful to return to Sunday's game against the Bengals with a knee injury.
Alaka (hamstring) likely will make Baltimore's season-opening roster, Clifton Brown of the team's official site reports.