Kevin Kolb, quarterback, Cardinals: After capturing the starting job four weeks earlier because of an injury to John Skelton, Kolb was injured with just over two minutes left in the loss to the Bills when he tried to fall forward and two Bills players landed on him. He lay on the field for several minutes as medical personnel attended to him, then gingerly walked off after a cart was waved off.
Trent Richardson, running back, Browns: The rookie was hurt when he took a helmet to the side early in Cleveland's win over Cincinnati. Richardson finished with 37 yards on 14 carries and spent most of the second half on the sideline. "I took a shot, but I'll be back," said Richardson. "I'll be ready for next week."
Ray Lewis and Lardarius Webb, Ravens: The defensive standouts went down in the win over Dallas. Lewis, the linebacker and team's emotional leader, hurt his triceps. Webb banged his knee in a first-quarter collision with Cowboys wide receiver Dez Bryant. The team originally labeled the injury a "sprain," but coach John Harbaugh painted a potentially darker picture after the game, saying "Webb does not look good right now. It's a potential ACL. We've
Adrian Peterson, running back, Vikings: He ran for 79 yards but at times was limping on his sprained left ankle against Washington. His status is uncertain.