Wednesday

Baseball

Slippery Rock at Oil City, 4 p.m.

Softball

Butler at Pine-Richland, 4 p.m.

Seneca Valley at Norwin, 4:30 p.m.

Burrell at Knoch, 4 p.m.

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

Freeport at Greensburg Salem, 4:15 p.m.

Track and Field

Mars at MAC Invitational, Shenango, 2 p.m.

Moniteau at North Clarion, 3:45 p.m.

Redbank Valley at Union/A-C Valley, 4 p.m.

Boys Lacrosse

Central Catholic at Butler, 7 p.m.

Norwin at Seneca Valley, 7:45 p.m.

Girls Lacrosse

Trinity at North Catholic, 4:30 p.m.

Boys Tennis

WPIAL doubles championships at Fox Chapel

Thursday

Baseball

Franklin Regional at Butler, 7:30 p.m.

North Hills at Seneca Valley, 4 p.m.

Forest at Union, 4 p.m.

Softball

Hickory at Slippery Rock, 4 p.m.

Forest at Union, 4 p.m.

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

Boys Lacrosse

Butler at Pine-Richland, 7 p.m.

ndiana at Freeport, 7 p.m.

Moon at North Catholic, 4 p.m.

Girls Lacrosse

Butler at Seneca Valley, 7:15 p.m.

Track and Field

Butler 9-10 Invitational, 3:45 p.m.

Boys Volleyball

Butler at Shaler, 7:30 p.m.

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

Mars at Derry, 7:30 p.m.

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

Boys Tennis

North Catholic at Seneca Valley, 3;30 p.m.

North Hills at Mars, 3:30 p.m.