They're some of the most athletic humans in the world, but these NFL players didn't always look like the physical stars they were under bright stadium lights.
Von Miller, Ray Lewis, Joe Montana and Emmitt Smith are just a few of the famous athletes that look slightly different in their high school yearbook portraits than they did on the football field. And looking at some of them, you'd never guess that they would someday become Heisman winners, Super Bowl MVPs and Pro Bowl megastars.
But, they did. And they're some of the greatest players in the history of the NFL.
We've uncovered 28 photos of what they looked like before the wild success.
Scroll through the gallery and tell us what you think: