Monday

Baseball

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

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

Knoch at Burrell, 4 p.m.

Mars at Plum, 4 p.m.

North Catholic at Freeport, 4:15 p.m.

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

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

Hickory at Slippery Rock, 4 p.m.

Softball

North Allegheny at Butler, 4 p.m.

Seneca Valley at Hempfield, 4 p.m.

McKeesport at Knoch, 4 p.m.

Shaler at Mars, 3:45 p.m.

Freeport at Burrell, 4:15 p.m,.

Lakeview at Slippery Rock, 4 p.m.

Moniteau at Karns City, 6 p.m.

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

Girls Lacrosse

Fairview at Butler, 7:30 p.m.

Sewickley Academy at Seneca Valley, 7 p.m.

Knoch at Chartiers Valley, 7 p.m,.

Blackhawk at Mars, 7:15 p.m.

Winchester Thurston at Freeport, 5 p.m.

Ambridge at North Catholic, 4 p.m.

Boys Volleyball

Seton-LaSalle at Butler, 7:30 p.m.

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

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

Boys Tennis

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

Seneca Valley at Pine-Richland, 3:30 p.m.

Valley at Knoch, 3:30 p.;m.

Neshannock at Mars, 3:30 p.m.

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

Tuesday

Baseball

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

Burrell at Knoch, 5:30 p.m.

Mars at Plum, 3:45 p.m.

Freeport at North Catholic, 4:15 p.m.

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

Softball

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

Slippery Rock at Titusville, 4 p.m.

Track and Field

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

Armstrong at Mars, 3:30 p.m.

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

North Catholic, Aliquippa, Rochester at South Side, 3:30 p.m.

Boys Lacrosse

Knoch at Shaler, 6:30 p.m.

Mars at Indiana, 7:30 p.m.

North Catholic at Freeport, 4 p.m.

Boys Volleyball

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

Mars at Gateway, 7;30 p.m.

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

Boys Tennis

WPIAL Singles Championships at Fox Chapel