FRIDAYBaseballButler at Franklin Regional, 4 p.m.Pine-Richland at Seneca Valley, 4 p.m.Knoch at Blackhawk, 4 p.m.Mars at Highlands, 7 p.m.West Shamokin at Freeport, 4 p.m.Slippery Rock at East, 4 p.m.Union at North Clarion, 4:15 p.m.Grove City at Erie McDowell, 4 p.m.Ellwood City at Summit Academy, 4 p.m.

Girls SoftballNorth Allegheny at Butler, 4 p.m.Seneca Valley at Pine-Richland, 4 p.m.Kittanning at Knoch, 3:45 p.m.Freeport at Burrell, 4 p.m.

Track and FieldKnoch, Seneca Valley at Butler Invitational, 1 p.m.

Boys TennisShaler at Butler, 3:30 p.m.Knoch at Vincentian, 3:30 p.m.Mars at Sewickley Academy, 3:30 p.m.

Boys LacrosseButler at North Allegheny, 6 p.m.

College BaseballMercyhurst at Slippery Rock, 1 p.m.

College SoftballSlippery Rock at California (Pa.), 2:30 p.m.

SATURDAYBaseballSummit Academy at St. Joseph, noon

Girls SoftballSlippery Rock at Clarion, 11 a.m.Sharpsville at Grove City, 10 a.m.

Track and FieldGrove City at Harbor Creek Invitational, 9 a.m.

Boys VolleyballButler at Meadville Invitational, 9 a.m.

College BaseballSlippery Rock at Mercyhurst, 1 p.m.

College Track and FieldSlippery Rock at IUP Invitational

College Women's LacrosseSeton Hill at Slippery Rock, 5 p.m.