Wednesday

Baseball

Slippery Rock at Oil City, 4 p.m.

Softball

Butler at Mt. Lebanon, 4:15 p.m.

Seneca Valley at Norwin, 4 p.m.

Knoch at Highlands, 4 p.m.

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

Freeport at Burrell, 4:15 p.m.

North Catholic at Hampton, 4 p.m.

Track and Field

Mars at MAC Invitational, Shenango, noon

Karns City at Clarion-Limestone, 4 p.m.

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

Girls Lacrosse

Butler at Allderdice, 3:30 p.m.

Freeport at Seneca Valley, 7 p.m.

Mars at Seton LaSalle, 7:15 p.m.

Boys Lacrosse

Pine-Richland at Butler, 7 p.m.

Boys Tennis

WPIAL Doubles Finals

Thursday

Baseball

Butler at Allderdice, 3:30 p.m.

North Allegheny at Seneca Valley, 4 p.m.

Nazareth Prep at Mars, 5 p.m.

Riverside at North Catholic, 3:30 p.m.

Karns City at North Clarion, 4 p.m.

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

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

Softball

Moon at Mars, 3:45 p.m.

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

Cranberry at Moniteau, 4 p.m.

Corry at Slippery Rock, 4 p.m.

Track and Field

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

Girls Lacrosse

Seneca Valley at Bethel Park, 7 p.m.

Moon at Knoch, 6 p.m.

Blackhawk at North Catholic, 4 p.m.

Boys Lacrosse

Allderdice at Seneca Valley, 7 p.m.

Knoch at Quaker Valley, 6 p.m.

Boys Volleyball

Shaler at Butler, 7:30 p.m.

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

Mars at Armstrong, 7:30 p.m.

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

Boys Tennis

Chartiers Valley at Seneca Valley, 4 p.m.

Friday

Baseball

Freeport at Knoch, 5:30 p.m., Pullman Park

Softball

Butler at Hempfield, 4 p.m.

Seneca Valley at North Allegheny, 5 p.m.

Woodland Hills at Knoch, 4 p.m.

Shady Side Academy at Freeport, 4:15 p.m.

Redbank Valley at Moniteau, 4 p.m.

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

Track and Field

Mars Invitational

Girls Lacrosse

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

Boys Lacrosse

Butler at Cathedral Prep, 6 p.m.

Sewickley Academy at Freeport, 7 p.m.

North Catholic at Winchester Thurston, 4 p.m.

Boys Tennis

Peters Township at Seneca Valley, 4 p.m.

College Baseball

Clarion at Slippery Rock, 1 p.m.

College Softball

Slippery Rock at Seton Hill, 2 p.m.

Saturday

Baseball

Slippery Rock at Sharon, 11 a.m.

Track and Field

Slippery Rock at Hermitage Invitational, 2 p.m.

Girls Lacrosse

Butler at Conneaut, 2:30 p.m.

Boys Lacrosse

Fairview at Butler, 1:30 p.m.

Boys Volleyball

Seneca Valley at Hempfield Tournament, 8 a.m.

College Baseball

Slippery Rock at Clarion, 1 p.m.

College Softball

Edinboro at Slippery Rock, 1 p.m.