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The Oakland wide receiver might play his first game since suffering a concussion in a Week 3 matchup against the Steelers.
Heyward-Bey was injured in a helmet-to-helmet collision during the Raider's Week 3 win against the Pittsburgh Steelers.
The Raiders will definitely be out three players though. Offensive tackle Khalif Barnes is still sidelined by a groin injury and will be replaced by Willie Smith at right tackle. Cornerback Shawntae Spencer is still recuperating from a foot injury he suffered in Week 2 and will continue to be replaced in the lineup by Michael Huff. Tight end Richard Gordon is also sidelined with a hamstring injury.
There were a few limited participants in Friday's practice. Defensive tackle Tommy Kelly was listed as questionable because of a foot injury but coach Dennis Allen said he will be ready to play on Sunday. Fellow DT Richard Seymour was limited with a knee injury, and kicker Sebastian Janikowski is dealing with a left groin injury.
The following Raiders were listed as probable for Sunday:
TE David Ausberry (shoulder), WR Darrius Heyward-Bey (concussion), K Sebastian Janikowski (left groin), RB Taiwan Jones (shoulder), RB Darren McFadden (shoulder), TE Brandon Myers (shoulder), C Alex Parsons (shoulder), DT Richard Seymour (knee)
The Falcons will be missing backup tight end Michael Palmer and backup running back Antone Smith for the matchup. Starting defensive tackle Jonathan Babineaux and starting linebacker Stephen Nicholas were listed as questionable.
The following Falcons were listed as probably for Sunday: