... backs looks markedly different from the initial edition.

Four members of last week's list are out, including two of the top three.

But that's to be expected early in the season, with coaches across the conference still sorting out their depth charts, prominent names returning from suspensions, and no-names nabbing prime performances against subdivision scrubs.

While the current power rankings should be somewhat more indicative of what's to come than the previous one, there will still be plenty of movement amongst the conference's ball carriers up to and throughout the Pac-10 season.

That being said, here's the latest attempt to track the progress of the Pac-10's 'backs.

Bleacher Report - College Football