FridayBoys BasketballWPIAL Class 5A PlayoffsMars vs. Laurel Highlands, 8 p.m., at Canon McMillanGirls BasketballDistrict 9 PlayoffsKarns City vs. Moniteau, 7:30 p.m., at Clarion UniversityWrestlingSlippery Rock, Grove City in District 10 championships at SharonSwimmingWPIAL Class AA Diving Championships at Moon

SaturdayBoys BasketballWPIAL Class 6A PlayoffsButler vs. Latrobe, 2:30 p.m., at Penn HillsGirls BasketballWPIAL Class 5A PlayoffsMars vs. Oakland Catholic, noon, at North AlleghenyDistrict 10 Class 5A PlayoffsSlippery Rock vs. Warren, 5:30 p.m., at MercerWrestlingButler, Seneca Valley, Knoch, Mars at WPIAL Section 3 tournament at Fox ChapelSlippery Rock, Grove City in District 10 championships at SharonSwimmingWPIAL Class AAA Diving Championships at North AlleghenyCollege BasketballSlippery Rock (women) at Pitt-Johnstown, 5:30 p.m.Slippery Rock at Pitt-Johnstown, 7:30 p.m.