BaseballButler at Seneca Valley, 4 p.m.Knoch at North Catholic, 4 p.m.Mars at Penn Hills, 4 p.m.Highlands at Freeport, 4:15 p.m.North Clarion at Moniteau, 4 p.m.Oil City at Slippery Rock, 4 p.m.Clarion-Limestrone at Union, 4:15 p.m.Cranberry at A-C Valley, 4:15 p.m.

SoftballNorth Allegheny at Butler, 4 p.m.Seneca Valley at Hempfield, 4 p.m.McKeesport at Knoch, 4 p.m.Shaler at Mars, 3:45 p.m.Freeport at BurrellNorth Catholic at Shady Side Academy, 4 p.m.Karns City at Moniteau, 4 p.m.

Track and FieldA-C Valley at Keystone, 4 p.m.

Boys LacrosseNorth Catholic at Canon-McMillan, 6 p.m.

Girls LacrosseSeneca Valley at Butler, 7:30 p.m.Quaker Valley at Knoch, 7 p.m.North Catholic vs. Mars, 7:30 p.m.

<b>Baseball</b>Seneca Valley at Butler, 7:30 p.m.North Catholic at Knoch, 5:30 p.m.Penn Hills at Mars, 3:45 p.m.Freeport at Highlands, 4 p.m.<b>Softball</b>Cranberry at A-C Valley, 4 p.m.Slippery Rock at Franklin, 4 p.m.<b>Track and FieldWPIAL team playoffsClass AA boys, girls</b>North Catholic, New Brighton, Burrell, Riverview at Shenango, 3 p.m.<b>Class AAA boys</b>Central Catholic, New Castle, Kiski Area at Butler, 3 p.m.Seneca Valley, Belle Vernon, Beaver at Baldwin, 3 p.m.<b>Class AAA girls</b>West Allegheny, Central Valley, Kiski Area at Butler, 3 p.m.<b>Regular season</b>Cranberry at Karns City, 4 p.m.Union at Clarion-Limestone, 4:30 p.m.Sharon at Slippery Rock, 3:30 p.m.<b>Boys Volleyball</b>Butler at North Allegheny, 7:30 p.m.Seneca Valley at North Hills, 7:15 p.m.Mars at Gateway, 7:30 p.m.North Catholic at OLSH, 7:30 p.m.<b>Boys Lacrosse</b>Knoch at North Hills, 6:30 p.m.Mars at North Catholic, 5 p.m.Hampton at Freeport, 4 p.m.