UCLA has 2 losses (Cal and Oregon State)
Oregon State has 2 losses (Stanford and Washington)
Nebraska has 2 losses (UCLA and Ohio State)

UCLA beat Nebraska
Oregon State beat UCLA

relatively easy case here of who should be ahead. No team has any outstanding wins.
So what do the Coaches vote for...

Nebraska #14
UCLA #16
Oregon State #17

You can't make this stuff up

The bias against the Pac-12 is incredibly obvious