Boys Soccer

Karns City at Clarion-Limestone

Girls Soccer

Butler at Kiski Area, 7 p.m.

Norwin at Seneca Valley, 7:30 p.m.

Armstrong at Knoch, 7:30 p.m.

Mars at Central Valley, 7:30 p.m.

North Catholic at Avonworth, 7:30 p.m.

Karns City at Clarion, 6 p.m.

Slippery Rock at Conneaut, 7:30 p.m.

Girls Volleyball

Seneca Valley at Butler, 7:30 p.m.

Knoch at Highlands, 7;15 p.m.

Hampton at Mars, 7:15 p.m.

Freeport at Armstrong, 7:15 p.m.

Avonworth at North Catholic, 7:30 p.m.

Moniteau at A-C Valley, 7 p.m.

Forest Area at Union, 7:30 p.m.

Wilmington at Slippery Rock, 7:15 p.m.

Girls Golf

Mars at Seneca Valley, 3 p.m.

KSAC Mega March at Foxburg

Golf

WPIAL semifimals

Cross Country

Butler at Hampton, 3:30 p.m.

North Allegheny, North Hills at Seneca Valley, 4 p.m.

Freeport, Knoch at Riverview, 3:30 p.m.

Mars, Pine-Richland at Shaler, 3:30 p.m.

Karns City at Union, 4:30 p.m.

Moniteau at Keystone, 4:30 p.m.

Girls Tennis

Pine-Richland at Knoch, 3:30 p.m.

Boys SoccerFox Chapel at Butler, 7:30 p.m.Knoch at Armstrong, 7:30 p.m.Mars at Hampton, 7:30 p.m.Highlands at Freeport, 5:15 p.m.North Catholic at Ambridge, 7:30 p.m.Slippery Rock at Sharon, 7:30 p.m.Girls SoccerShady Side Academy at Freeport, 5:15 p.m.Girls TennisWPIAL Section Doubles at North Allegheny, 11:45 a.m.GolfButler at Seneca Valley, 3:30 p.m.Freeport at Knoch, 3:30 p.m.