Recapping the week in Pac-12 basketball …
Theme of the week: Separation Saturday (and Thursday)
Weekend sweeps by UCLA, Arizona and USC created a clear upper tier entering the final four weeks. The Bruins have a one-game lead in the loss column over the Wildcats and Trojans, who hold a two-game edge on the next set of teams, Oregon and Utah. Barring significant backslides by the top group, the stretch run will feature tension on two tracks: The race for the regular-season title; and the competition for the fourth seed (and opening round bye) in the Pac-12 tournament.
Theme of the season: March outlook
Arizona and UCLA remain the