Source -- Chris Olave (concussion) not expected to play vs. Bengals

New Orleans Saints wide receiver Chris Olave is not expected to play Sunday against the Cincinnati Bengals because of concussion symptoms, a source told ESPN's Adam Schefter.

Olave, who is listed as questionable, got hurt after appearing to be briefly knocked unconscious when his head was slammed into the turf during a touchdown catch in the third quarter of New Orleans' 39-32 win over the Seattle Seahawks last weekend. He was initially taken to the sideline medical tent for a concussion evaluation before going to the locker room and did not return.

The absence further depletes an already thin corps of receivers. New Orleans already is playing Sunday's game without wide receivers Michael Thomas, Jarvis Landry and Deonte Harty, who have all been ruled out through injury.

In addition to that, receiver Deonte Harty was placed on injured reserve with an undisclosed injury Saturday.

The team moved quickly to bolster their injury-riddled receiver corps, signing fourth-year wideout Keith Kirkwood and rookie Rashid Shaheed to the active roster from the practice squad, and filling another spot by elevating veteran Kevin White as a standard promotion.

Andy Dalton, meanwhile, will start at quarterback for the Saints, as Jameis Winston was deemed not ready to play after his returning to practice following a two-week absence caused by a back injury.