FridayBaseballButler at Pine-Richland, 4 p.m.Knoch at Highlands, 4 p.m.Mars at Freeport, 4 p.m.Keystone vs. Karns City, 4 p.m., Kelly Automotive ParkA-C Valley vs. Moniteau, 6 p.m., Kelly Automotive ParkGrove City at Sharpsville, 4 p.m.SoftballKeystone at Karns City, 4 p.m.A-C Valley at Moniteau, 4 p.m.Track and FieldKarns City, Knoch, Seneca Valley at Mars Invitational, 1 p.m.Boys LacrosseMcDowell at Butler, 6 p.m.Mars at Indiana, 7:30 p.m.Boys TennisButler at Moon, 3:30 p.m.Mars at Knoch, 3:30 p.m.Grove City at Oil City, 3:30 p.m.College BaseballClarion at Slippery Rock, 1 p.m.

SaturdaySoftballVincentian at Butler, 1 p.m.Moniteau at Mountaineer Tournament, Philipsburg-Osceola, 1 p.m.Boys VolleyballSeneca Valley Tournament, 8:30 a.m.

SundayCollege BaseballSlippery Rock at Clarion, 1 p.m.Lorain CCC at Butler County Community College, noon