Week 4's 'hidden stars'

Aaron Williams had a solid game for the Buffalo Bills on Sunday. Karl Merton Ferron/Baltimore Sun/Getty Images

Things are getting ridiculous in Denver, as Peyton Manning's only failure thus far has been to throw an interception.

But you don't need to study the tape of each of the four Denver Broncos games to understand how sensational he and the entire team have been. Just check out a box score ... any of them.

Sometimes greatness isn't so easy to see, however -- especially when not at a premium position, such as quarterback, wide receiver or even cornerback.

Games aren't always won with gaudy passing statistics or a singular run that winds up on the highlight reel. Often they're won on far more subtle occurrences, those that don't immediately catch the eye and usually don't land in the box score.

As we'll do each week, below are the players whose contributions extend beyond the box score, qualifying as secret stars for the week.

1. Aaron Williams, S, Buffalo Bills

Entering the season, the projected secondary in Buffalo was composed of Stephon Gilmore and Leodis McKelvin at cornerback with Jairus Byrd and Williams at safety. On Sunday, it was just Williams on the field among that group, yet he was playing cornerback (his college position) due to a rash of injuries for the Bills.