Pac-12 preview: Arizona still has slight edge

Arizona seniors Kaleb Tarczewski and Gabe York will look to lead Arizona to its fourth straight NCAA tournament. Robert Hanashiro/USA TODAY Sports

Prepare for the most competitive Pac-12 conference race in years.

Reigning conference champion Arizona lost four starters, and while traditional rivals such as Stanford and Washington are also going through transitions, much of the rest of the league is bringing back a good deal of experience and talent. Sean Miller's team has won each of its last two regular-season titles by three full games, but things should be a good deal more suspenseful in 2015-16.