Vikings defensive tackle Kevin Williams, barring a setback, will return from a knee injury Sunday against the Chicago Bears. Williams practiced for the second consecutive day Thursday on a limited basis. Coach Leslie Frazier wants to see how Williams responds on Friday but is optimistic. “So far, so good,†Frazier said. “If everything goes fine [Friday], looking forward to him playing on Sunday.†Williams missed the opener in Detroit because of a right knee injury sustained on a low hit in the San Francisco preseason game. Frazier said Williams’ knee had no swelling or pain after he practiced Wednesday. Source: Star Tribune