Raiders receiver Darrius Heyward-Bey has exited Oakland’s game at the Metrodome with a head/neck injury.
Per a league source, Heyward-Bey is being taken to a local hospital for precautionary X-rays.
Heyward was moving his extremities after taking a knee to the head, which knocked his helmet off.
UPDATE 6:10 p.m. ET: Heyward-Bey will be flying back to Oakland with the Raiders, per a league source.