Article Photos: QB Matt Cassel hurt as Chiefs lose to Ravens, 9-6 9/10

  Kansas City Chiefs quarterback Matt Cassel (7) walks off the field with trainers during the second half of an NFL football game against the Baltimore Ravens at Arrowhead Stadium in Kansas City, Mo., Sunday, Oct. 7, 2012. The Ravens defeated the Chiefs 9-6. (AP Photo/Colin E. Braley)