The Facts: According to NFL Network's Ian Rapoport, Whitehurst pulled a hamstring in Sunday's game in Miami.

Diehards Line: With their playoff hopes hanging by a thread, the Colts QB situation is dire if Andrew Luck is out: Matt Hasselbeck has a sprained AC joint and doesn't think a seven-day turnaround is possible. It's not yet clear how serious Whitehurt's injury is. We'll be following up as needed.