SALT LAKE CITY — Week 6 left some scratching their heads, but anything goes in the Pac-12.

Oregon State won its first conference game under the direction of Gary Andersen. No. 15 Stanford lost for the second-straight week. No. 5 Washington and Washington State remain the only undefeated teams in conference play. No. 21 Colorado, No. 24 Utah and Arizona State are in a three-way tie for the South’s lead.

Here’s a look at how Week 6 played out for the Pac-12.

Arizona (2-4, 0-3 Pac-12) at Utah (5-1, 2-1)

Score: Utah 36, Arizona 23

Game recap: The Utes didn’t play good football in the first half.