Vick, Cutler and Smith all suffered concussions, while Roethlisberger was the “lucky one” and only suffered a sprained right shoulder.
While the 49ers and Bears are currently in first place in their respective divisions, the Steelers are just one win behind the first-place Ravens in the AFC North. The Eagles, meanwhile, are at 3-6 but have shown glimmers of brilliance after big early season wins over both the Ravens and Giants.
It may even be argued that a quarterback change is just what the struggling Eagles have needed. However, no one in San Francisco, Pittsburgh or Chicago have likely been hoping for a switch under center.