ThursdayBaseballButler at Allderdice, 4 p.m.Seneca Valley at Pine-Richland, 4 p.m.Yough at Knoch, 4 p.m., Pullman ParkMars at North Hills, 7 p.m.Steel Valley at Freeport, 4:15 p.m.North Clarion at Karns City, 6 p.m., Pullman ParkClarion at Moniteau, 8 p.m., Pullman ParkClarion-Limestone at Union, 4:15 p.m.SoftballFox Chapel at Butler, 4 p.m.Seneca Valley at North Hills, 3:30 p.m.Knoch at Quaker Valley, 4 p.m.Mars at North Catholic, 3:30 p.m.East Allegheny at Freeport, 4:15 p.m.Hopewell at North Catholic, 4 p.m.Clarion at Moniteau, 4:15 p.m.Clarion-Limestone at Union, 4:15 p.m.Franklin at Slippery Rock, 4 p.m.Track and FieldButler 9/10 Invitational, 3:30 p.m.Boys VolleyballNorth Allegheny at Butler, 7:30 p.m.North Hills at Seneca Valley, 7:30 p.m.Mars at North Catholic, 7 p.m.Boys LacrosseButler at Shaler, 7:30 p.m.Knoch at Gateway, 4 p.m.Greensburg Central at North Catholic, 5:30 p.m.Girls LacrosseFreeport at Winchester Thurston, 4 p.m.College BaseballButler County Community College at Westmoreland, noon

FridayBaseballCanon-McMillan at Seneca Valley, 4 p.m.Knoch at Penn Hills, 4 p.m.A-C Valley at Moniteau, 7 p.m., Pullman ParkTitusville at Slippery Rock, 4 p.m.SoftballMars at Moon, 3:45 p.m.A-C Valley at Moniteau, 4:15 p.m.Track and FieldKnoch, North Catholic at Mars Invitational, 1 p.m.Boys LacrossePenn Trafford at Knoch, 4 p.m.Girls LacrosseIndiana at Butler, 7:30 p.m.Freeport at Seneca Valley, 7 p.m.North Catholic at Baldwin, 6 p.m.Boys TennisSeneca Valley at Peters Township, 3:30 p.m.College BaseballIndiana (Pa.) at Slippery Rock, 1 p.m.College SoftballSlippery Rock at Gannon, 3 p.m.