FridayBaseballKnoch vs. Butler, 6 p.m., Kelly Automotive ParkVenango Catholic at Union, 4 p.m.A-C Valley at Rocky Grove, 4 p.m.Grove City at General McLane, 4 p.m.SoftballAvonworth at Cardinal Wuerl North Catholic, 4 p.m.Track and FieldButler, Knoch, Seneca Valley, Slippery Rock, Grove City at Baldwin InvitationalFreeport, Mars, Seneca Valley at Pine-Richland Invitational, 12:30 p.m.Boys LacrosseCanon-McMillan at Butler, 6 p.m.

SaturdaySoftballCommodore Perry at Slippery Rock, 11 a.m.A-C Valley at Cranberry Tournament, 1 p.m.Track and FieldA-C Valley at Oil City, 9 a.m.Boys VolleyballButler, Seneca Valley at Ambridge Tournament, 9 a.m.Boys TennisDistrict 10 singles at Pennbriar, 9:45 a.m.