ThursdayHockeyPIHL Class AAA PlayoffsButler vs. Central Catholic, 9 p.m., Alpha Ice ComplexSeneca Valley vs. Cathedral Prep, 8:30 p.m., Mercyhurst Ice Center

FridayBoys BasketballPIAA Class 5AMars vs. Hampton, 6 p.m., North AlleghenyPIAA Class 3AKarns City vs. Erie First Christian, 5 p.m., Clarion UniversityCardinal Wuerl North Catholic vs. Bellwood-Antis, 7:30 p.m., at GatewayGirls BasketballPIAA Class 4AFreeport vs. Blackhawk, 6 p.m., at Fox ChapelCardinal Wuerl North Catholic vs. Keystone Oaks, 6 p.m., at Gateway

SaturdayBoys BasketballPIAA Class 6AButler vs. Canon-McMillan, 3 p.m., BaldwinPIAA Class 4AGrove City vs. Central Valley, 4:30 p.m., Slippery Rock UniversityGirls BasketballPIAA Class 5AMars vs. Central Tech, 3 p.m., Prep-Villa Center in ErieSlippery Rock vs. Hampton, 3 p.m., Slippery Rock UniversityPIAA Class 3AKarns City vs. Seneca, 4:30 p.m., Clarion UniversityPIAA Class 1AA-C Valley vs. Bishop Carroll, 4 p.m., Central Cambria