Baltimore Ravens first-round pick Breshad Perriman remains out with a knee injury.
Coach John Harbaugh said Thursday there is "no timetable" for the receiver to return from a sprained PCL and admitted Perriman's injury is healing slower than the team excepted, per the Baltimore Sun.
The rookie has been on the shelf with the knee injury since July 30 and likely won't play in the preseason.
The slow recovery could put his status to start the season in jeopardy.
With a thin receiving corps, the Ravens drafted the speedy Perriman to help replace Torrey Smith, who moved to San Francisco in free agency.
Behind Steve Smith sits an uninspiring group of wideouts for Joe Flacco. Kamar Aiken took the lead opposite Smith, with Marlon Brown, Michael Campanaro and Jeremy Butler, among others, fighting for snaps.
The longer Perriman remains out, the more constricted the Ravens' offense will be as the 2015 regular season rolls out.
