Tuesday

Baseball

Karns City at Venango Catholic, 4 p.m.

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

Union at Clarion, 4 p.m.

Softball

Karns City at Venango Catholic, 4 p.m.

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

Mercer at Slippery Rock, 4 p.m.

Boys Volleyball

North Allegheny at Butler, 6 p.m.

Shaler at Seneca Valley, 6 p.m.

Boys Lacrosse

Knoch at Plum, 7:15 p.m.

Conneaut at Freeport, 5:30 p.m.

Girls Lacrosse

Seneca Valley at Sewickley Academy, 4:15 p.m.

Shaler at Knoch, 4 p.m.

Hampton at Mars, 7:15 p.m.

Freeport at Aquinas Academy, 5:30 p.m.

Track and Field

Shaler at Butler, 3:45 p.m.

Boys Tennis

WPIAL section singles

College Baseball

Walsh at Slippery Rock, DH, 2 p.m.

College Softball

Gannon at Slippery Rock, DH, 2:30 p.m.

Wednesday

Baseball

Deer Lakes vs. Knoch, 4 p.m., Kelly Automotive Park

Butler at Latrobe, 4 p.m.

Hampton at Mars, 3:45 p.m.

Burrell at Freeport, 3:45 p.m.

Slippery Rock at Shenango, 4 p.m.

Sharpsville at Grove City, 4:15 p.m.

Softball

North Allegheny at Butler, 4 p.m.

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

Mars at Indiana, 3:30 p.m.

Leechburg at CW North Catholic, 3:45 p.m.

Freeport at Kittanning, 3:30 p.m.

Grove City at Sharpsville, 4:15 p.m.

Boys Lacrosse

Butler at Franklin Regional, 6 p.m.

Baldwin at Mars, 7 p.m.

CW North Catholic at Seton-Lasalle, 7 p.m.

Girls Lacrosse

Yough at Knoch, 4 p.m.

Track and Field

Seneca Valley at North Allegheny, 4 p.m.

Knoch at Mars, 3:30 p.m. Karns City, Clarion at Moniteau (boys), 4 p.m.

Moniteau, Clarion at Karns City (boys), 4 p.m.

Boys Tennis

Blackhawk at Butler, 3:30 p.m.

Mt. Lebanon at Seneca Valley, 3:30 p.m.

Oil City at Grove City, 3:30 p.m.