Wednesday

Baseball

Franklin Regional at Seneca Valley, 4 p.m.

North Hills at Mars, 3:45 p.m.

Knoch at Indiana, 4 p.m.

Freeport at Burrell, 4 p.m.

North Catholic at Highlands, 7 p.m.

Karns City at Moniteau, Pullman Park, 5:30 p.m.

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

Franklin at Slippery Rock, 4 p.m.

Softball

Seneca Valley at Hempfield, 4 p.m.

Highlands at Knoch, 4 p.m.

Mars at New Castle, 4 p.m.

Burrell at Freeport, 4:15 p.m.

North Catholic at Chartiers Valley, 4 p.m.

Karns City at Moniteau, 4 p.m.

Track and Field

Butler at North Allegheny, 3:30 p.m.

Knoch at Apollo-Ridge, 3:30 p.m.

Deer Lakes, Springdale at Freeport, 3:30 p.m.

Boys Lacrosse

Seneca Valley at Fox Chapel, 7 p.m.

Winchester Thurston at Mars, 6 p.m.

Girls Lacrosse

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

Seneca Valley at Shaler, 6:30 p.m.

Fox Chapel at Freeport, 5 p.m.

Boys Volleyball

Derry at Mars, 7:15 p.m.

Boys Tennis

WPIAL singles finals

Thursday

Baseball

Butler at North Allegheny, 7 p.m.

Softball

Slippery Rock at Hickory, 4 p.m.

Track and Field

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

Karns City at North Clarion, 3:45 p.m.

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

Girls Lacrosse

Mars at Moon, 6:15 p.m.

Knoch at North Catholic, 4 p.m.

Boys Volleyball

Butler at Fox Chapel, 7 p.m.

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

Montour at Mars, 7:15 p.m.

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

Boys Tennis

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

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

Friday

Baseball

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

Seneca Valley at Gateway, 4 p.m.

Kiski Area at Freeport, 4:15 p.m.

Moniteau at Clarion-Limestone, 4:15 p.m.

Slippery Rock at Sharon, 4 p.m.

Softball

Butler at Baldwin, 6 p.m.

Canon-McMillan at Seneca Valley, 4 p.m.

Mars at Moon, 3:30 p.m.

Knoch at Woodland Hills, 4 p.m.

Freeport at Shady Side Academy, 4 p.m.

Blackhawk at North Catholic, 4 p.m.

Moniteau at Clarion-Limestone, 4 p.m.

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

Track and Field

North Hills at Seneca Valley, 4 p.m.

Freeport at Highlands, 3:30 p.m.

Boys Lacrosse

Penn Trafford at Butler, 7 p.m.

Plum at Freeport, 4 p.m.

Knoch at Shaler, 7 p.m.

Girls Lacrosse

Mars at South Fayette, 6:30 p.m.

Freeport at Yough, 4 p.m.

Boys Tennis

Seneca Valley at North Allegheny, 3:30 p.m.

Greensburg Salem at Knoch, 3:30 p.m.

Mars at MAC Tournament, Beaver, 9:30 a.m.

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

College Baseball

Gannon at Slippery Rock, 1 p.m.

College Softball

Slippery Rock at Clarion, 2 p.m.

Saturday

Baseball

Quaker Valley vs. Seneca Valley, 4:45 p.m., PNC Park

Reynolds at Union/A-C Valley, 11 a.m.

Softball

Titusville at Slippery Rock, 11 a.m.

Track and Field

Butler, Mars, North Catholic at Tri-State Coaches Association Invitational, West Mifflin, 9:30 a.m.

Boys Lacrosse

Mars at Upper Arlington, 7 p.m.

Fairview at Freeport, noon

College Softball

California (Pa.) at Slippery Rock, 1 p.m.

Sunday

College Baseball

Slippery Rock at Gannon, 1 p.m.