FridayBaseballSeneca Valley at Butler, Kelly Automotive Park, 7 p.m.Mars at Hampton, 3:45 p.m.Knoch at Freeport, 4 p.m.OLSH at Cardinal Wuerl North Catholic, Kelly Automotive Park, 4 p.m.Slippery Rock at Hickory, 4 p.m.Conneaut at Grove City, 4 p.m.SoftballFreeport at Greensburg Salem, 4 p.m.Track and FieldButler, Seneca Valley, Knoch, Slippery Rock at Butler Invitational, 12:30 p.m.Boys LacrosseButler at Moon, 8 p.m.Freeport at North Hill, 7:30 p.m.Girls LacrosseFreeport at Knoch, 4 p.m.TennisBlackhawk at Butler, 3:30 p.m.Grove City at Greenville, 3:30 p.m.College BaseballCalifornia (Pa) University at SRU, DH, 1 p.m.

SaturdaySoftballBaldwin at Seneca Valley, 1 p.m.Butler at Highlands, 11 a.m.Neshannock at Moniteau, noonJamestown at Slippery Rock, 11 a.m.Hickory at Grove City, noonTrack and FieldUnion at City of Hermitage InviteBoys VolleyballButler, Cardinal Wuerl North Catholic at Plum Tournament, 8:30 a.m.Boys LacrosseMars at South Fayette, 10 a.m.

SundayCollege BaseballSRU at California (Pa.) University, DH, 1 p.m.College SoftballLorain CCC at Butler County Community College, DH, noon