Bishop Gorman, Green Valley, Liberty and Silverado hosting first-round games. Arbor View and Palo Verde meet with a Mountain Region home playoff game on the line.
The Palo Verde boys defeated Coronado 10-2 to win their fourth straight title. The girls doubled up Coronado 10-5 to end the Cougars’ hopes of a third straight crown.
Centennial needs a win over a Cimarron-Memorial team that is out of the playoff race to claim its first league title since 2002 and the No. 1 seed in the Northwest League.