Wednesday

Baseball

Keystone at Karns City, 5:30 p.m.

Union at Redbank Valley, 4:15 p.m.

Slippery Rock at Sharon, 4 p.m.

Softball

Butler at Hempfield, 4 p.m.

Pine-Richland at Seneca Valley, 7:30 p.m.

Knoch at Highlands, 4 p.m.

Mars at Oakland Catholic, 3:45 p.m.

Freeport at McKeesport, 3:30 p.m.

Keystone at Karns City, 6 p.m.

Union at Redbank Valley, 4:30 p.m.

Forest at A-C Valley, 4 p.m.

Track and Field

Fox Chapel at Butler, 3:45 p.m.

Boys Lacrosse

Seneca Valley at Upper St.Clair, 8 p.m.

Freeport at North Hills, 7 p.m.

Girls Lacrosse

Knoch at Trinity, 7 p.m.

Mars at Chartiers Valley, 7 p.m.

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

Boys Tennis

WPIAL section singles ast Blackhawk, 9 a.m.

Thursday

Baseball

Riverside at Knoch, 5:30 p.m.

Softball

Mars at Fox Chapel, 3:45 p.m.

Slippery Rock at Franklin, 4 p.m.

Track and Field

Mars at Kiski Area, 4 p.m.

Freeport at Highlands, 3:30 p.m.

North Catholic at Western Beaver, 3:30 p.m.

Clarion-Limestone at Union, 3:45 p.m.

A-C Valley at Keystone, 4 p.m.

Boys Lacrosse

Winchester Thurston at Knoch, 4 p.m.

North Hills at Mars, 7:15 p.m.

Girls Lacrosse

Fox Chapel at Butler, 7:30 p.m.

Seneca Valley at Pine-Richland, 7:30 p.m.

North Hills at Freeport, 5 p.m.

Boys Volleyball

Butler at North Allegheny, 7:30 p.m.

Seneca Valley at North Hills, 7 p.m.

Derry at Mars, 7:30 p.m.

Ambridge at North Catholic, 7:15 p.m.