For the first time this season the entire Pac-12 is in action against each other, with league play in full swing as all 12 schools vie to win a division title and play for a conference championship.

All five of last week's conference games went down to the wire, and we can only hope the Week 5 slate is as competitive and entertaining. Each has its own value and impact on the Pac-12 race, but we've ranked them in order of how good the matchup is and how likely you'd be to watch.

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