Las Vegas, NV (Best E Casino) - Oakland Raiders wide receiver Javon Walker was found unconscious on a Las Vegas street after apparently being the victim of a robbery, according to the Las Vegas Metropolitan Police Department.

Walker was transported to an area hospital with "significant injuries" after being found early Monday morning. He remains hospitalized as the investigation continues.

The 29-year-old signed a free-agent contract with Oakland in March.

Over six seasons in the NFL, Walker has appeared in 72 games and has 252 catches for 3,815 yards and 30 touchdowns with Green Bay and Denver.