Monday

Baseball

Penn-Trafford at Butler, 5:30 p.m., Pullman Park

Seneca Valley at Pine-Richland, 4:15 p.m.

Knoch at North Catholic

Mars at New Castle, 4 p.m.

Valley at Freeport, 4 p.m.

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

Titusville at Slippery Rock, 4 p.m.

Softball

Seneca Valley at Butler, 4 p.m.

Indiana at Knoch, 4 p.m.

West Allegheny at Mars, 3:45 p.m.

Valley at Freeport, 4:15 p.m.

North Catholic at Beaver, 4 p.m.

DuBois Catholic at Karns City, 6 p.m.

Girls Lacrosse

Freeport at Butler, 7 p.m.

Seneca Valley at Pine-Richland, 7:15 p.m.

Knoch at Greensburg Salem, 5 p.m.

Boys Lacrosse

Butler at Seneca Valley, 7 p.m.

Boys Volleyball

North Catholic at Seton LaSalle, 7:15 p.m.

Boys Tennis

Kiski Area at Butler, 3:30 p.m.

Seneca Valley at Quaker Valley, 3:30 p.m.

Knoch at Indiana, 3:45 op.m.

Mars at Hampton, 3 p.m.

Tuesday

Baseball

Pine-Richland at Seneca Valley, 4 p.m.

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

New Castle at Mars, 3:45 p.m.

Freeport at Valley, 4 p.m.

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

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

Softball

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

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

Slippery Rock at Grove City, 4 p.m.

Track and Field

Shaler, Pine-Richland at Butler, 3:45 p.m.

North Allegheny at Seneca Valley, 4 p.m.

North Catholic at Highlands, 4 p.m.

Slippery Rock at Hickory, 3:45 p.m,.

Girls Lacrosse

Quaker Valley at Knoch, 6 p.m.

North Catholic at Mars, 6 p.m.

Boys Volleyball

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

Mars at Gateway, 7:30 p.m.

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

Boys Tennis

WPIAL section doubles

College Baseball

West Liberty at Slippery Rock, 3 p.m.

College Softball

Slippery Rock at Mercyhurst, 2:30 p.m.

Wednesday

Baseball

Slippery Rock at Conneaut, 4 p.m.

Softball

Pine-Richland at Butler, 4 p.m.

Seneca Valley at Baldwin, 6 p.m.

Knoch at Freeport, 4:15 p.m.

Mars at North Hills, 4 p.m.

North Catholic at Ambridge, 4 p.m.

Armstrong at Karns City, 6 p.m.

Track and Field

Section meet at Knoch, 3:30 p.m.

Leechburg at Freeport, 3:30 p.m.

Cranberry at Karns City, 4 p.m.

Moniteau at Keystone, 4 p.m.

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

Girls Lacrosse

Butler at Fox Chapel, 7 p.m.

Seneca Valley at North Hills, 7 p.m.

Freeport at Allderdice, 3:30 p.m.

Boys Lacrosse

Knoch at Sewickley Academy, 4:30 p.m.

Mars at Quaker Valley, 6 p.m.

North Catholic at Plum, 7 p.m.

Boys Tennis

WPIAL section doubles

Thursday

Baseball

Butler at Shaler, 4 p.m.

Seneca Valley at Pine-Richland, 4:15 p.m.

Knoch at North Hills, 4 p.m.

North Catholic at Blackhawk, 7 p.m.

Clarion-Limestone at Karns City, 5:30 p.m., Pullman Park

Clarion at Moniteau, 3:30 p.m., Pullman Park

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

Softball

Clarion-Limestone at Karns City, 6 p.m.

Clarion at Moniteau, 4 p.m.

Union/A-C Valley at Redbank Valley, 4:30 p.m.

Girls Lacrosse

Trinity at Knoch, 6 p.m.

Chartiers Valley at North Catholic, 4 p.m.

Boys Lacrosse

Butler at Fox Chapel, 5:45 p.m.

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

Boys Volleyball

Pine-Richland at Butler, 7:30 p.m.

Seneca Valley at Fox Chapel, 7 p.m.

North Catholic at Beaver County Christian, 7:15 p.m.

Boys Tennis

Butler at Knoch, 3:30 p.m.

Seneca Valley at Fox Chapel, 3:30 p.m.

North Catholic at Pine-Richland, 3:30 p.m.

Friday

Baseball

Mars at North Allegheny, 7 p.m.

Freeport at Karns City, 6 p.m., Pullman Park

Slippery Rock at Mercer, 4:15 p.m.

Softball

Butler at Norwin, 4 p.m.

Western Beaver at Mars, 3:45 p.m.

McKeesport at Knoch, 4 p.m.

Freeport at Deer Lakes, 4 p.m.

Wilmington at Moniteau, 4 p.m.

Slippery Rock at Reynolds, 4:15 p.m.

Track and Field

Butler Invitational, 11 a.m.

Girls Lacrosse

Sewickley Academy at Seneca Valley, 7 p.m.

Peters Township at Mars, 7 p.m.

Boys Lacrosse

Knoch at Penn-Trafford, 7 p.m.

Boys Volleyball

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

College Baseball

Slippery Rock at Seton Hill, 1 p.m.

Saturday

Baseball

Johnsonburg at Moniteau, 5:30 p.m., Pullman Park

Softball

Slippery Rock at West Middlesex, 11 a.m.

Track and Field

Seneca Valley at Slippery Rock Invitational

Boys Volleyball

Butler at Upper St. Clair Tournament, 8 a.m.

College Baseball

Seton Hill at Slippery Rock, 1 p.m.

College Softball

Slippery Rock at Pitt-Johnstown, 1 p.m.