Nate Allen suffers concussion

PHILADELPHIA -- Safety Nate Allen left the Philadelphia Eagles' game against Chicago with a concussion.

Allen is Philadelphia's starting free safety. He was injured in the first quarter during Chicago's scoring drive. Jay Cutler threw a 5-yard touchdown pass to Matt Spaeth to give the Bears a 7-0 lead Monday night.

The Bears won 30-24.

Information from The Associated Press contributed to this report.