Monday

Baseball

North Catholic at Butler, 5:30 p.m., Pullman Park

Burrell at Knoch, 3:30 p.m., Pullman Park

Mars at Hampton, 4 p.m.

Freeport at East Allegheny, 3:45 p.m.

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

Sharon at Slippery Rock, 4 p.m.

Softball

Butler at Seneca Valley, 4 p.m.

Highlands at Mars, 3:45 p.m.

Karns City at Knoch, 4 p.m.

Freeport at Derry, 4:30 p.m.

Union/A-C Valley at Cranberry, 4:15 p.m.

Boys Lacrosse

Indiana at Butler, 7 p.m.

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

Plum at Mars, 7:15 p.m.

Shaler at North Catholic, 4 p.m.

Boys Volleyball

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

Tuesday

Baseball

East Allegheny at Freeport, 4:15 p.m.

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

Softball

Butler at Hempfield, 4 p.m.

Hickory at Slippery Rock, 4 p.m.

Track and Field

WPIAL 3A boys team championships at West Mifflin, 3 p.m.: Butler, Seneca Valley, North Allegheny,.Mt. Lebanon

WPIAL 2A girls team championships at Peters Township: Knoch, Winchester Thurstron, Derry, Quaker Valley

Moniteau at Karns City, 4 p.m.

Keystone at Union/A-C Valley, 4:15 p.m.

Slippery Rock at Grove City, 3:30 p.m.

Girls Lacrosse

Cathedral Prep at Butler, 7:30 p.m.

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

Knoch at Freeport, 5 p.m.

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

Boys Lacrosse

Knoch at North Hills, 7 p.m.

Freeport at Winchester Thurston, 7:30 p.m.

Boys Volleyball

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

Seneca Valley at North Allegheny, 7:15 p.m.

Mars at Derry, 7:30 p.m.

North Catholic at Hopewell, 7:15 p.;m.

Wednesday

Baseball

Butler at Upper St. Clair, 7 p.m.

North Hills at Seneca Valley, 7 p.m.

North Catholic at Latrobe, 7 p.m.

Karns City vs. Moniteau, 7:30 p.m., Pullman Park

Slippery Rock at Titusville, 4 p.m.

Softball

Shaler at Seneca Valley, 4 p.m.

Deer Lakes at Knoch, 4 p.m.

Moniteau at Ellwood City, 5:30 p.m.

Boys Lacrosse

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

Central Catholic at North Catholic, 4 p.m.

Thursday

Softball

Hempfield at Seneca Valley, 4 p.m.

Slippery Rock at Titusville, 4 p.m.

Track and Field

Knoch, North Catholic at Pine-Richland Last-Ditch Invitational, 3:30 p.m.

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

Moon at Seneca Valley, 7 p.m.

Slippery Rock at MCAC meet, Grove City, 1:30 p.m.

Girls Lacrosse

Mars at Shady Side Academy, 7:15 p.m.

Freeport at Winchester Thurston, 4 p.m.

Boys Lacrosse

Mars at Peters Township, 7 p.m.

Greensburg Central at Knoch, 6 p.m.

Boys Volleyball

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

Gateway at Mars, 7:15 p.m.

Bishop Canevin at North Catholic, 7:15 p.m.

Friday

Baseball

West Middlesex at Slippery Rock, 4 p.m.

Saturday

Softball

Lakeview at Union/A-C Valley, 1 p.m.

Grove City at Slippery Rock, 11 a.m.

Boys Volleyball

North Catholic at OLSH Tournament, 8:30 a.m.