ThursdayBaseballKnoch vs. Butler, 4 p.m., Pullman ParkRiverview at Mars, 3:45 p.m.Brookville at Moniteau, 4 p.m.Neshannock at Grove City, 4 p.m.Summit Academy at Our Lady of Sacred Heart, 4 p.m.

Girls SoftballSeneca Valley at Latrobe, 4 p.m.Mars at Ford City, 3:30 p.m.

Track and FieldMars at Quaker Valley, 3:30 p.m.Knoch, Mount Lebanon at Pine-Richland, 3:30 p.m.Karns City, Ford City at Kittanning, 3:30 p.m.

Boys TennisHopewell at Knoch, 3:30 p.m.

Girls LacrossePine-Richland at Butler, 6 p.m.

Boys VolleyballShaler at Butler, 6 p.m.Hopewell at Seneca Valley, 7:30 p.m.Summit Academy at Farrell, 7:30 p.m.

College SoftballSlippery Rock at Salem, 2 p.m.

Women's LacrosseGannon at Slippery Rock University, 7 p.m.

FridayBaseballMount Lebanon at Seneca Valley, 4 p.m.Mars at Chartiers Valley, 4 p.m.Karns City at Ford City, 3:45 p.m.Ellwood City at Slippery Rock, 4 p.m.Leechburg at Freeport, 4 p.m.

Girls SoftballButler at Fox Chapel, 3:30 p.m.Deer Lakes at Mars, 3:45 p.m.Ford City at Karns City, 4 p.m.Grove City at Moniteau, 4 p.m.Highlands at Freeport, 4 p.m.

Track and FieldSlippery Rock, Grove City at Wilmington Relays, 3:45 p.m.

Boys TennisButler at Central Catholic, 3:30 p.m.North Allegheny at Seneca Valley, 3:30 p.m.Shaler at Mars, 3:30 p.m.

Boys LacrosseNorth Allegheny at Butler, 6 p.m.

College BaseballSlippery Rock at Indiana (Pa.), 1 p.m.

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

College Track and FieldSlippery Rock at Raleigh (N.C.) Relays