OWINGS MILLS, Md. -- The Baltimore Ravens are expected to sign Griff Whalen on Thursday to help their banged-up wide receivers, according to a source.

The Ravens' top three receivers are on the injury report. Mike Wallace (back) and Jeremy Maclin (shoulder) were limited Wednesday and Breshad Perriman (concussion) didn't practice.

Maclin, who wore a red jersey signifying no contact during practice, didn't play Sunday and is taking the injury day by day.

"Hopefully, this Sunday is a different situation," Maclin said.

Asked how close he was to playing on Sunday, Maclin said, "I'm not going to get into all of that. I wanted to play, and we came to the conclusion that me playing probably wasn’t the smartest thing."

With Maclin sidelined Sunday, the Ravens dropped a season-high five passes (two of which turned into interceptions).

The only healthy receivers on the roster are: Michael Campanaro, Chris Moore and Chris Matthews. They've combined to make 15 catches for 129 yards and no touchdowns.

The Ravens' expected signing of Whalen was first reported by the NFL Network. Whalen was released by Baltimore in the final major cutdown before the regular season after he had four catches for 32 yards in the preseason.