Monday

Baseball

Mars at Shaler, 4 p.m.

Boys Volleyball

Hempfield at Butler, 7:30 p.m.

Boys Tennis

Butler at Armstrong, 3:30 p.m.

Tuesday

Baseball

Plum at Seneca Valley, 4 p.m.

Knoch at Derry, 4 p.m.

Freeport at Burrell, 4 p.m.

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

Redbank Valley at Moniteau, 5 p.m.

Union at Keystone, 4 p.m.

Softball

Norwin at Butler, 4 p.m.

North Allegheny at Seneca Valley, 4 p.m.

Blackhawk at Knoch, 4 p.m.

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

Valley at Freeport, 4:15 p.m.

Beaver Falls at North Catholic, 4 p.m.

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

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

Union at Keystone, 4 p.m.

West Middlesex at Slippery Rock, 4 p.m.

Track and Field

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

Slippery Rock at Greenville, 3:30 p.m.

Boys Volleyball

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

Gateway at Mars, 7 p.m.

Boys Lacrosse

Central Catholic at Butler, 7:30 p.m.

Greensburg Central at Knoch, 4 p.m.

Plum at Mars, 7:15 p.m.

North Catholic at Freeport, 5:30 p.m.

Girls Lacrosse

Knoch at Trinity, 6 p.m.

Freeport at North Hills, 7:30 p.m.

North Catholic at Blackhawk, 7 p.m.

Boys Tennis

Quaker Valley at Seneca Valley, 4 p.m.

College Baseball

CCAC South at Butler County Community College, 4 p.m.