Canyon Springs got off to an 0-6 start against a difficult schedule, but the Pioneers enter the Mountain Region playoffs with confidence after three straight wins.
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.
They took different roads to reach a top-two league finish, but Silverado and Green Valley joined Liberty and Bishop Gorman as playoff first-round hosts.
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.