Sports events
Monday
Baseball
Seneca Valley at Bethel Park, 4 p.m.
Shady Side Academy at Knoch, 5:30 p.m.
Hampton at Mars, 3:45 p.m.
Freeport at Deer Lakes, 4 p.m.
Moniteau at Clarion, 4:30 p.m.
Union at Clarion-Limestone, 4 p.m.
Brockway at A-C Valley, 4 p.m.
Meadville at Slippery Rock, 4 p.m.
Softball
Butler at Armstrong, 3:45 p.m.
Knoch at Mars, 3:45 p.m.
Redbank Valley at Karns City, 6 p.m.
Clarion at A-C Valley, 4 p.m.
Boys Lacrosse
Seneca Valley at Hampton, 7 p.m.
Girls Lacrosse
Butler at Knoch, 7 p.m.
North Catholic at Moon, 5:30 p.m.
Boys Volleyball
Meadville at Butler, 7:30 p.m.
Tuesday
Baseball
Mars at Hampton, 3:45 p.m.
North Catholic at South Park, 7 p.m.
Slippery Rock at Freeport, 3:45 p.m.
Oil City at Karns City, 7:30 p.m.
North Clarion at Moniteau, 5:30 p.m.
Softball
Fox Chapel at Butler, 4 p.m.
Seneca Valley at Franklin Regional, 4 p.m.
St. Joseph at Freeport, 4:15 p.m.
Titusville at Slippery Rock, 4 p.m.
Track and Field
North Catholic at Pine-Richland, 3:30 p.m.
Cranberry, Keystone at Union/A-C Valley, 4 p.m.
Redbank Valley at Moniteau, 4 p.m.
Hickory at Slippery Rock, 3:30 p.m.
Boys Lacrosse
Shady Side Academy at Butler, 6:30 p.m.
Freeport at Shaler, 7:15 p.m.
Knoch at North Catholic, 4 p.m.
Girls Lacrosse
Seneca Valley at Mars, 7:30 p.m.
Freeport at Indiana, 7 p.m.
Boys Volleyball
Fox Chapel at Butler, 7 p.m.
North Allegheny at Seneca Valley, 7:30 p.m.
Deer Lakes at Mars, 7:30 p.m.
North Catholic at Montour, 7:15 p.m.
Wednesday
Baseball
Butler at Moon, 4:15 p.m.
Freeport at Karns City, 5:30 p.m.
Keystone at A-C Valley, 4 p.m.
Slippery Rock at Conneaut Area, 4 p.m.
Softball
Knoch at Deer Lakes, 4 p.m.
Moniteau at Karns City, 4 p.m.
West Shamokin at Karns City, 6 p.m.
Track and Field
WPIAL team Championships at West Mifflin
Boys Lacrosse
Central Catholic at Seneca Valley, 7:45 p.m.
Girls Lacrosse
Butler at Villa Maria, 5:30 p.m.
Plum at Knoch, 7 p.m.
Freeport at Greensburg Salem, 5 p.m.
North Catholic at Franklin Regional, 7:30 p.m.
Boys Volleyball
Mars at North Hills, 7:30 p.m.
Thursday
Baseball
Shaler at Seneca Valley, 4 p.m.
Penn Hills at Knoch, 5:30 p.m.
Blackhawk at Mars, 3:45 p.m.
Softball
Seneca Valley at Moon, 3:30 p.m.
Freeport at Hampton, 4 p.m.
Keystone at Union, 4 p.m.
Cranberry at A-C Valley, 4 p.m.
Oil City at Slippery Rock, 4 p.m.
Track and Field
Moniteau, Union/A-C Valley at Redbank Valley Invitational
Slippery Rock at Grove City Invitational, 1:30 p.m.
Boys Lacrosse
Butler at Indiana, 7 p.m.
North Catholic at Hempfield, 7:30 p.m.
Girls Lacrosse
North Catholic at Seneca Valley, 7:15 p.m.
Shady Side Academy at Mars, 7:30 p.m.
Boys Volleyball
Seneca Valley at Butler, 7:30 p.m.
Friday
Baseball
Keystone at Moniteau, 5:30 p.m.
Brookville at Union, 4 p.m.
Softball
Brookville at Union, 4 p.m.
Saturday
Softball
Slippery Rock at Sharpsville, noon
Boys Volleyball
North Catholic at OLSH