Here are WPIAL basketball playoff games involving Butler County teams:

BoysClass 6ASaturday — Butler vs. Latrobe, 1:30 p.m., Fox ChapelSaturday — Seneca Valley vs. Canon-McMillan, 1:30 p.m., West AlleghenyClass 5AMars, byeClass 4AFeb. 21 — Freeport vs. South Fayette, 8 p.m., Cardinal Wuerl North CatholicClass 3AFeb. 20 — Cardinal Wuerl North Catholic vs. Ellwood City, 6:30 p.m., Ambridge

GirlsClass 6AFeb. 20 — Butler vs. Upper St. Clair, 7 p.m., North HillsFeb. 20 — Seneca Valley vs. Hempfield, 6:30 p.m., Fox ChapelClass 5AFriday — Mars vs. Uniontown, 6:30 p.m., GatewayClass 4ACardinal Wuerl North Catholic, byeSaturday — Freeport vs. Elizabeth Forward, 3 p.m., Fox ChapelSaturday — Knoch vs. Belle Vernon, 3 p.m., Baldwin