Texans QB Case Keenum started Sunday's game against the Raiders, but was pulled in favor of Matt Schaub in the second half. The Texans lost 28-23.
Christian Hartmann, Mario Anzuoni/Reuters
Everybody comes from somewhere, and that includes celebrities. Some even wandered the same high school hallways together back in their hometowns. Take a look at some stars who were high school classmates.